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Mathematical Operations Questions

Practice 194 Mathematical Operations questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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194
Total Questions
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16
Easy
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177
Medium
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1
Hard
Practice by Exam:General Intelligence and Reasoning(94)General Intelligence & Reasoning(64)Reasoning(16)Quantitative Aptitude(9)General Intelligence(6)Mental Ability(1)Logical Reasoning(1)Mental Ability and Reasoning(1)

About Mathematical Operations — practice questions, PYQs & concepts

Mathematical Operations is a frequently-tested topic on General Intelligence and Reasoning, General Intelligence & Reasoning, Reasoning. ExamTest.live currently lists 194 Mathematical Operations questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

Mathematical Operations weight in competitive exams

Across our Mathematical Operations question bank, the largest sources are General Intelligence and Reasoning (94), General Intelligence & Reasoning (64), Reasoning (16), Quantitative Aptitude (9) and General Intelligence (6). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 16 easy Mathematical Operations questions are available — build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right — the explanation often surfaces a faster approach you can reuse.

All Mathematical Operations Questions(1–100 of 194)

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Q1mediummcqGeneral IntelligenceSSC Selection Post 2021 Matriculation Level2026
17% accuracy
Which two numbers (not digits) should be interchanged to make the given equation correct?
24×6+36−18÷3=105
Q2easymcqGeneral Intelligence & ReasoningStaff Selection Commission2026
14% accuracy
What will come in place of the question mark (?) in the following equation, if '+' and '-' are interchanged and 'x' and '÷' are interchanged?
Q3mediummcqGeneral Intelligence and ReasoningSSC CGL2026
20% accuracy
If "×" stands for addition, "<" stands for subtraction, "+" stands for division, ">" stands for multiplication, "−" stands for equals to, ":" stands for greater than and "=" stands for less than, which of the following equations holds true?
Q4mediummcqGeneral Intelligence & ReasoningSSC CGL2026
25% accuracy
Which two numbers need to be interchanged to make the following equation correct?
24+22×12÷16–8=32
Q5mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
50% accuracy
Which two numbers (not the digits of the numbers) and two signs should be interchanged to make the given equation correct?
19−2+4÷5×4=27
Q6mediummcqGeneral Intelligence and ReasoningCompetitive Exam2026
0% accuracy
Choose the correct sequence of mathematical signs to replace the placeholders in order to balance the given equation.
Q7easymcqGeneral Intelligence and ReasoningSSC CGL2026
100% accuracy
If ‘+’ means ‘subtraction’, ‘−’ means ‘multiplication’, ‘÷’ means ‘addition’ and ‘×’ means ‘division’, then what is the value of the following expression?
22−4+72×18÷31
Q8mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
If and , then
Q9mediummcqGeneral Intelligence and ReasoningSSC CGL2026
67% accuracy
What will come in place of the question mark (?) in the following equation, if ‘+’ and ‘–’ are interchanged and ‘×’ and ‘÷’ are interchanged?
16÷6+12×3−6=?
Q10mediummcqGeneral Intelligence & ReasoningStaff Selection Commission2026
0% accuracy
Which of the following interchanges of numbers (not the digits of the numbers) would make the given equation correct?
16×12÷4+8−16=32
Q11mediummcqGeneral Intelligence and ReasoningCompetitive Exam2026
33% accuracy
If ‘@’ stands for ‘ ’, what is ?
Q12mediummcqGeneral Intelligence & ReasoningSSC CGL2026
33% accuracy
If "+" means "minus", " " means "divided by", " " means "plus" and "-" means "multiplied by", then find the value of:
Q13mediummcqGeneral Intelligence & ReasoningSSC CGL2026
67% accuracy
If "+" means "minus", " " means "divided by", " " means "plus" and "-" means "multiplied by", then find the value of:
Q14mediummcqGeneral Intelligence & ReasoningSSC CGL2026
67% accuracy
Which of the following interchanges in signs and numbers will make the given equation correct?
Q15mediummcqGeneral Intelligence & ReasoningCompetitive Exam Practice2026
33% accuracy
If means , means , means , means , then what is the value of
Q16easymcqQuantitative AptitudeCompetitive Exams2026
0% accuracy
A student made twice as many mistakes as he got correct answers. If he attempted questions in total, how many questions did he get right?
Q17mediummcqGeneral Intelligence & ReasoningCompetitive Exam Practice2026
33% accuracy
Which of the following equations is INCORRECT?
Q18mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
50% accuracy
Select the correct combination of mathematical signs to replace ‘’ signs and to balance the given equation:
96 2 20 2 174
Q19mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
If "S" denotes "multiplied by", "V" denotes "subtracted from", "M" denotes "added to" and "L" denotes "divided by", then find the value of:
9 V 11 M 84 L 12 S 6=?
Q20mediummcqQuantitative AptitudeUP Police Constable2026
50% accuracy
If and , then
Q21mediummcqGeneral Intelligence & ReasoningStaff Selection Commission2026
0% accuracy
What will come in the place of the question mark (?) in the following equation, if ' ' and ' ' are interchanged and ' ' and ' ' are interchanged?
Q22mediummcqGeneral Intelligence & ReasoningCompetitive Exam2026
0% accuracy
If, stands for division; stands for addition; stands for multiplication; stands for subtraction, which of the following equation is correct?
Q23mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
50% accuracy
If "A" denotes "multiplied by", "C" denotes "subtracted from", "D" denotes "added to" and "B" denotes "divided by", then determine the value of the following expression:
76 C 54 D 210 B 3 A 15=?
Q24mediummcqGeneral Intelligence and ReasoningGovernment Recruitment Exam Practice Paper2026
0% accuracy
According to the code, digits are represented by respectively. Find the value of .
Q25easymcqGeneral Intelligence & ReasoningSSC CGL2026
0% accuracy
What will come in the place of '?' in the following equation, if '+' and '–' are interchanged and also ' ' and ' ' are interchanged?
Q26mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
0% accuracy
If means , means , means , and means , then what will come in place of the question mark () in the given equation?
Q27mediummcqReasoningMock Test2026
0% accuracy
Gautam is years younger than Shyam. If Shyam is years old, then how old is Gautam?
Q28mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
0% accuracy
Which two mathematical signs need to be interchanged to make the following equation correct?
Q29easymcqGeneral IntelligenceSSC Selection Post 2021 Matriculation Level2026
100% accuracy
Which two signs need to be interchanged to make the following equation correct?
151+17×18÷2−19=17
Q30mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
0% accuracy
Select the correct combination of mathematical signs that can sequentially replace the signs to balance the given equation.
Q31mediummcqReasoningMock Test2026
0% accuracy
Consider the following equation:


This equation is currently incorrect. By interchanging one pair of numbers within the equation, it can be made correct. Which pair of numbers should be swapped to balance the equation correctly?
Q32easymcqGeneral Intelligence & ReasoningSSC CGL2026
0% accuracy
What will come in the place of '?' in the following equation, if '+' and '–' are interchanged and also ' ' and ' ' are interchanged?
Q33mediummcqReasoningMock Test2026
0% accuracy
If means ' ', means ' ', means ' ' and \ -950\ \&\ 5\ \ \ 4\ \wedge\ 7\ \ 950\ \&\ 5\ \\ 4\ \wedge\ 7\ \ \ 3\ \%\ 87$)*
Q34mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
If ‘A’ stands for ‘÷ Gentile division’, ‘B’ stands for ‘×’, ‘C’ stands for ‘+’ and ‘D’ stands for ‘−’, what will come in place of the question mark (?) in the following equation?
36 B 17 D 59 C 224 A 7 = ?
Q35mediummcqGeneral Intelligence and ReasoningSSC CGL2026
0% accuracy
If "A" denotes "multiplied by", "B" denotes "subtracted from", "C" denotes "added to" and "D" denotes "divided by", then find the value of the following expression:
7B17C88D11A6=?
Q36mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
If '÷' means '+', '−' means '×', '+' means '−' and, '×' means '÷', then which of the following equations is correct?
Q37mediummcqGeneral Intelligence and ReasoningSSC CGL2026
0% accuracy
Which of the following interchanges in signs will make the given equation correct?
17−15×5=250
Q38mediummcqReasoningCompetitive Exam2026
0% accuracy
If , then what is the value of ?
Q39mediummcqGeneral Intelligence & ReasoningSSC CGL2026
0% accuracy
Select the correct combination of mathematical signs to sequentially replace the letter Y and balance the following equation.
52 Y 13 Y 16 Y 32 Y 2
Q40easymcqGeneral IntelligenceSSC Selection Post 20212026
0% accuracy
Which two signs should be interchanged to make the given equation correct?
306 ÷ 17 + 4 - 50 × 8 = 30
Q41mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
0% accuracy
Which two signs should be interchanged to make the given equation correct?
Q42mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
In a certain code language, '−' represents '×', '÷' represents '+', '+' represents '÷' and '×' represents '−'. Find out the answer to the following question.
160+8×30÷4−6=?
Q43mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
If "+" means "minus", "×" means "divided by", "÷" means "plus" and "−" means "multiplied by", then find the value of the expression:
38×2−6+19÷35=?
Q44mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
The following equation is incorrect. Which two signs should be interchanged to correct the equation?
12×4−6÷7+18=19
Q45mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
In a certain code language, '÷' represents '+', '−' represents '×', '+', represents '÷' and '×' represents '−'. Find out the answer to the following question.
24÷14−5+10×14=?
Q46mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
Which of the following interchanges in signs and numbers will make the given equation correct?
8×9+2=74
Q47mediummcqGeneral Intelligence & ReasoningCompetitive Examination2026
0% accuracy
In an examination, a student gets 4 marks for every correct answer, 1 for every unattempted question and 0 for every wrong answer. If there are 30 questions, which of the following total scores is not attainable by a student?
Q48mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
The following equation is incorrect. Which two signs should be interchanged to correct the equation?
13−14÷30×7+15=13
Q49mediummcqGeneral Intelligence & ReasoningSSC CGL2026
100% accuracy
If '+' means 'minus', '×' means 'divided by', '÷' means 'plus' and '−' means 'multiplied by', then evaluate:
104×13+9−5÷6=?
Q50mediummcqGeneral Intelligence and ReasoningSSC CGL2026
0% accuracy
Which of the following interchanges of signs would make the given equation correct?
288×72+36÷12−6=20770
Q51easymcqGeneral Intelligence and ReasoningStaff Selection Commission2026
100% accuracy
Which two signs should be interchanged to make the given equation correct?
16−4+2×15÷5=29
Q52mediummcqGeneral Intelligence and ReasoningCompetitive Exam2026
0% accuracy
Select the correct combination of mathematical signs to sequentially replace the blanks from left to right to balance the given equation.
Q53mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
0% accuracy
If "A" denotes "multiplied by", "B" denotes "subtracted from", "C" denotes "added to" and "D" denotes "divided by", then evaluate the expression:
8 B 31 C 49 D 7 A 16=?
Q54mediummcqGeneral Intelligence & ReasoningSSC CGL2026
100% accuracy
If "S" denotes "multiplied by", "V" denotes "subtracted from", "M" denotes "added to" and "L" denotes "divided by", then find the value of:
96 L 12 S 7 V 49 M 10=?
Q55mediummcqGeneral Intelligence and ReasoningSSC CGL2026
0% accuracy
Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation.
54 27 9 18 36 * 72
Q56mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
0% accuracy
Select the correct combination of mathematical signs that can sequentially replace the signs to balance the given equation.
Q57mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
0% accuracy
If ' ' and ' ' are interchanged, and ' ' and ' ' are interchanged, then what will come in place of the question mark () in the following equation?
Q58mediummcqGeneral Intelligence and ReasoningSSC CGL2026
What will come in place of the question mark (?) in the following equation if '+' means '×', '×' means '−', '−' means '÷' and '÷' means '+'?
18÷4+3×2−2=?
Q59easymcqGeneral Intelligence & ReasoningSSC CGL2026
What will come in place of the question mark (?) in the following equation, if ‘+’ and ‘–’ are interchanged and ‘×’ and ‘÷’ are interchanged?
25÷5–918×9+4=?
Q60mediummcqGeneral Intelligence & ReasoningStaff Selection Commission2026
If ‘+’ means ‘-’, ‘-’ means ‘×’, ‘×’ means ‘÷’ and ‘÷’ means ‘+’, then solve the following expression:
43−2×2+8=?
Q61mediummcqGeneral Intelligence & ReasoningCompetitive Exam2026
If " " means multiplication (), " " means subtraction (), " " means division () and " " means addition (), find the value of the expression:
Q62mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
What will come in place of the question mark (?) in the following equation if '+' and '×' are interchanged and '-' and '÷' are interchanged?
5÷9−3×4+6=?
Q63mediummcqGeneral Intelligence and ReasoningSSC CGL2026
Which two numbers (not individual digits) should be interchanged to make the given equation correct?
Q64easymcqGeneral Intelligence & ReasoningMock Test2026
What will come in the place of the question mark (?) in the following equation, if ‘+’ and ‘–’ are interchanged and ‘×’ and ‘÷’ are interchanged?
Q65mediummcqGeneral Intelligence & ReasoningMock Test2026
Which two numbers (not individual digits) should be interchanged to make the given equation correct?
Q66mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Which two signs need to be interchanged to make the following equation correct?
31+69÷23×5−83=99
Q67mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
What will come in the place of the question mark (?) in the following equation, if '+' and '-' are interchanged and '×' and '÷' are interchanged?
(28÷4)−(15×3)+48=?
Q68mediummcqQuantitative AptitudePractice Paper2026
In the given expression , if the symbols '+' and ' ' are interchanged, then what will be the new value of the expression ?
Q69easymcqGeneral Intelligence and ReasoningSSC CGL2026
Which two signs need to be interchanged to make the following equation correct?
56÷28−72+18×6=60
Q70mediummcqGeneral Intelligence and ReasoningSSC CGL2026
Which two numbers (not the digits of the numbers), from amongst the given options, should be interchanged to make the given equation correct?
13−36+18×24÷6=97
Q71mediummcqGeneral Intelligence and ReasoningSSC CGL2026
What will come in place of the question mark (?) in the following equation if '+' and ' ' are interchanged and '-' and ' ' are interchanged?
Q72mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
Which two numbers (not individual digits) should be interchanged to make the given equation correct?
21×5−35+(42÷7)+28=96
Q73mediummcqReasoningAUT-242026
If , what is the value of if and ?
Q74mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
What will come in the place of the question mark (?) in the following equation, if '÷' and '-' are interchanged and '×' and '+' are interchanged?
[(48−2)÷23]×19+3=?
Q75mediummcqGeneral Intelligence & ReasoningPractice Paper2026
If '+' means '-', '-' means ' ', ' ' means ' ' and ' ' means '+', then what is the value of ?
Q76mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Which two signs should be interchanged to make the given equation correct?
289+17×12÷216−300=120
Q77mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
Select the correct combination of mathematical signs to replace '*' signs and to balance the given equation.
32 8 14 7 16
Q78mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Which two signs should be interchanged to make the given equation correct?
12+156÷13×6−100=50
Q79mediummcqGeneral Intelligence and ReasoningSSC CGL2026
Which two signs should be interchanged to make the given equation correct?
152+8×16÷9−4=309
Q80mediummcqGeneral Intelligence & ReasoningPractice Test2026
Which two signs need to be interchanged to make the given equation correct?
3÷2−4×5+5=1
Q81mediummcqGeneral Intelligence and ReasoningCompetitive Exam Practice2026
Find out the two signs to be interchanged to make the following equation correct.
18 + 3 × 27 − 9 ÷ 3 = 78
Q82mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Which two signs should be interchanged to make the given equation correct?
36+8×184−23÷10=90
Q83mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Which two signs should be interchanged to make the following equation correct?
6×2+8−16÷4=18
Q84mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Which two signs should be interchanged to make the given equation correct?
551÷19−16×12+121=100
Q85mediummcqGeneral Intelligence & ReasoningSSC CGL2026
What will come in the place of '?' in the following equation, if '+' and '−' are interchanged and also '×' and '÷' are interchanged?
88−7÷65×13+34=?
Q86mediummcqGeneral Intelligence & ReasoningSSC CGL2026
What will come in the place of '?' in the following equation, if '+' and '−' are interchanged and also '×' and '÷' are interchanged?
9÷145×29−75+13=?
Q87easymcqGeneral Intelligence and ReasoningSSC CGL2026
If ‘–’ stands for ‘÷’, ‘+’ stands for ‘×’, ‘÷’ stands for ‘–’ and ‘×’ stands for ‘+’, then what is the value of the following expression?
Q88mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
If 'A' stands for ' ', 'B' stands for ' ', 'C' stands for ' ' and 'D' stands for ' ', what will come in place of the question mark () in the following equation?
Q89mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
When twice of a number added to 3 is multiplied by 5 and added to the number itself, it gives 158. What is the square of that number?
Q90mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
Select the correct combination of mathematical signs to replace the signs and balance the given equation.
Q91mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
Select the correct combination of mathematical signs to sequentially replace the signs and balance the given equation.
Q92mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
Which two numbers should be interchanged to make the given equation correct?
Q93mediummcqGeneral Intelligence and ReasoningPractice Test2026
A group of workers can complete a job in days. If each worker is paid per day, what is the total wage paid to all workers?
Q94mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
Which two signs should be interchanged to make the given equation correct?
Q95mediummcqGeneral Intelligence & ReasoningPractice Test2026
Consider the equation:


This equation is currently incorrect. By interchanging one pair of numbers within the equation, it can be made true. Which pair of numbers should be swapped to balance the equation correctly?
Q96mediummcqGeneral Intelligence & ReasoningUP Police Constable Re-Exam (23 Aug 2024 Shift 2)2026
Simplify the following expression using the given code language, where '+' represents ' ', ' ' represents ' ', ' ' represents ' ' and ' ' represents ' '.
Q97mediummcqGeneral Intelligence and ReasoningPractice Test2026
If the mathematical operations are defined as follows:
* ' ' means ' '
* ' ' means ' '
* 'A \ B A \times B + 1 (24 \# (14 * 5)) \?
Q98mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
Find the two signs to be interchanged for making the following equation correct:
Q99mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
If means , means , means , and means , what will be the value of the following expression?
Q100mediummcqGeneral Intelligence & ReasoningStaff Selection Commission2026
Which of the following sequences of signs would replace '*' to correctly solve the given equation?
14 24 3 5 3 * 7
12

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How many Mathematical Operations questions are on ExamTest.live?▼
We have 194 Mathematical Operations questions spread across 2 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Mathematical Operations MCQs free?▼
Yes. All Mathematical Operations questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Mathematical Operations questions?▼
Mathematical Operations questions are commonly asked in General Intelligence and Reasoning, General Intelligence & Reasoning, Reasoning, Quantitative Aptitude, General Intelligence. You can filter by exam using the links above.
How do I practice Mathematical Operations questions effectively?▼
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.