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Mathematical Operations Questions

Practice 84 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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84
Total Questions
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10
Easy
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74
Medium
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0
Hard
Practice by Exam:General Intelligence and Reasoning(40)General Intelligence & Reasoning(22)Reasoning(12)General Intelligence(5)Quantitative Aptitude(3)Mathematics(1)General Intelligence replace and Balance Equations(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 84 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 (40), General Intelligence & Reasoning (22), Reasoning (12), General Intelligence (5) and Quantitative Aptitude (3). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 10 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(1–84 of 84)

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Q1mediummcqGeneral IntelligenceSSC Selection Post 2021 Matriculation Level2026
0% 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
25% accuracy
What will come in place of the question mark (?) in the following equation, if '+' and '-' are interchanged and 'x' and '÷' are interchanged?
Q3mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
If and , then
Q4mediummcqGeneral Intelligence and ReasoningCompetitive Exam2026
0% accuracy
Choose the correct sequence of mathematical signs to replace the placeholders in order to balance the given equation.
Q5mediummcqGeneral Intelligence and ReasoningCompetitive Exam2026
33% accuracy
If ‘@’ stands for ‘ ’, what is ?
Q6mediummcqQuantitative AptitudeUP Police Constable2026
50% accuracy
If and , then
Q7mediummcqGeneral Intelligence and ReasoningGovernment Recruitment Exam Practice Paper2026
0% accuracy
According to the code, digits are represented by respectively. Find the value of .
Q8mediummcqGeneral 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
Q9easymcqGeneral 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
Q10mediummcqGeneral Intelligence and ReasoningSSC CGL2026
50% 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=?
Q11mediummcqReasoningMock Test2026
0% accuracy
If means ' ', means ' ', means ' ' and \ -950\ \&\ 5\ \ \ 4\ \wedge\ 7\ \ 950\ \&\ 5\ \\ 4\ \wedge\ 7\ \ \ 3\ \%\ 87$)*
Q12mediummcqGeneral 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.
Q13mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
0% accuracy
Which two mathematical signs need to be interchanged to make the following equation correct?
Q14mediummcqGeneral 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 = ?
Q15mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
0% accuracy
Which two signs should be interchanged to make the given equation correct?
Q16mediummcqGeneral 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.
Q17easymcqGeneral 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
Q18mediummcqReasoningMock 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?
Q19mediummcqGeneral 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?
Q20mediummcqGeneral 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.
Q21mediummcqGeneral 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?
Q22mediummcqReasoningMock Test2026
0% accuracy
Gautam is years younger than Shyam. If Shyam is years old, then how old is Gautam?
Q23mediummcqGeneral Intelligence & ReasoningCompetitive Exam Practice2026
0% accuracy
If means , means , means , means , then what is the value of
Q24mediummcqGeneral Intelligence & ReasoningCompetitive Exam Practice2026
0% accuracy
Which of the following equations is INCORRECT?
Q25easymcqGeneral IntelligenceSSC Selection Post 20212026
0% accuracy
Which two signs should be interchanged to make the given equation correct?
306 ÷ 17 + 4 - 50 × 8 = 30
Q26mediummcqReasoningCompetitive Exam2026
0% accuracy
If , then what is the value of ?
Q27easymcqGeneral 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?
Q28easymcqGeneral 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?
Q29mediummcqReasoningSSC CGL2026
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?
Q30mediummcqReasoningPrepp2026
Which of the following interchanges of signs would make the given equation correct?
Q31mediummcqReasoningPrepp2026
Find the two signs to be interchanged for making the following equation correct.
Q32mediummcqReasoningPrepp2026
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?
Q33mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
Which two numbers (not individual digits) should be interchanged to make the given equation correct?
56+(11×2)−(52÷4)+16=76
Q34mediummcqReasoningSSC CGL2026
If means , means , means , means , then what will be the value of the following expression?
Q35mediummcqReasoningSSC CGL2026
If means , means , means , means , what will come in place of the question mark (?) in the given equation?
Q36mediummcqReasoningPrepp2026
If 'P' stands for ' ', 'Q' stands for ' ', 'R' stands for ' ' and 'S' stands for ' ', what will come in place of the question mark (?) in the following equation?
Q37mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
What will come in the place of '?' in the following equation, if '+' and '-' are interchanged and also '×' and '÷' are interchanged?
13÷8−96×6+17=?
Q38mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
Which two signs should be interchanged to make the given equation correct?
Q39mediummcqGeneral 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=?
Q40mediummcqGeneral Intelligence & ReasoningStaff Selection Commission2026
If ‘+’ means ‘-’, ‘-’ means ‘×’, ‘×’ means ‘÷’ and ‘÷’ means ‘+’, then solve the following expression:
43−2×2+8=?
Q41mediummcqGeneral Intelligence & ReasoningCompetitive Exam2026
If " " means multiplication (), " " means subtraction (), " " means division () and " " means addition (), find the value of the expression:
Q42mediummcqGeneral 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
Q43mediummcqGeneral 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?
Q44mediummcqGeneral Intelligence and ReasoningSSC CGL2026
Which two numbers (not individual digits) should be interchanged to make the given equation correct?
Q45easymcqGeneral 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?
Q46mediummcqGeneral Intelligence & ReasoningMock Test2026
Which two numbers (not individual digits) should be interchanged to make the given equation correct?
Q47mediummcqGeneral Intelligence & ReasoningPractice Paper2026
If '+' means '-', '-' means ' ', ' ' means ' ' and ' ' means '+', then what is the value of ?
Q48mediummcqQuantitative AptitudePractice Paper2026
In the given expression , if the symbols '+' and ' ' are interchanged, then what will be the new value of the expression ?
Q49mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Which two signs should be interchanged to make the given equation correct?
289+17×12÷216−300=120
Q50mediummcqGeneral 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
Q51mediummcqGeneral Intelligence & ReasoningPractice Test2026
Which two signs need to be interchanged to make the given equation correct?
3÷2−4×5+5=1
Q52mediummcqGeneral 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
Q53mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Which two signs should be interchanged to make the following equation correct?
6×2+8−16÷4=18
Q54mediummcqGeneral Intelligence & 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?
Q55mediummcqGeneral 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 ' '.
Q56mediummcqMathematicsCompetitive Exam2026
If and a\ b = a + b^2 + 2 (4\.
Q57mediummcqReasoningAUT-242026
If , what is the value of if and ?
Q58mediummcqGeneral IntelligenceSSC Selection Post 2021 Matriculation Level2026
Which two signs should be interchanged to make the given equation correct?
Q59easymcqGeneral IntelligenceSSC Selection Post 2021 Matriculation Level2026
Which two signs need to be interchanged to make the following equation correct?
Q60easymcqGeneral 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=?
Q61mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Which two signs need to be interchanged to make the following equation correct?
31+69÷23×5−83=99
Q62mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Which two signs should be interchanged to make the given equation correct?
12+156÷13×6−100=50
Q63mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Which two signs should be interchanged to make the given equation correct?
551÷19−16×12+121=100
Q64mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
Select the correct combination of mathematical signs to replace the signs and balance the given equation.
Q65mediummcqGeneral Intelligence replace and Balance EquationsSSC CPO 20242026
What will come in place of the question mark (?) in the following equation if ' ' and ' ' are interchanged and ' ' and ' ' are interchanged?
Q66mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
Select the correct combination of mathematical signs to replace the signs and balance the given equation.
Q67mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
If means , means , means , and means , what will come in place of the question mark (?) in the given equation?
Q68mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
Select the correct combination of mathematical signs to sequentially place from left to right in the blanks below to balance the given equation.
Q69mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
Find the two signs to be interchanged for making the following equation correct:
Q70mediummcqGeneral Intelligence & ReasoningStaff Selection Commission2026
Which two numbers (not digits of the numbers), from amongst the given options, should be interchanged to make the given equation correct?
12×9+27÷3−5=60
Q71easymcqGeneral Intelligence and ReasoningSSC CGL2026
Which two signs need to be interchanged to make the following equation correct?
56÷28−72+18×6=60
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
Q73mediummcqGeneral 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=?
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?
(28÷4)−(15×3)+48=?
Q75mediummcqGeneral 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=?
Q76mediummcqGeneral Intelligence and ReasoningSSC CGL2026
Which two signs should be interchanged to make the given equation correct?
152+8×16÷9−4=309
Q77mediummcqGeneral Intelligence & ReasoningSSC CGL2026
Which two signs should be interchanged to make the given equation correct?
36+8×184−23÷10=90
Q78mediummcqGeneral Intelligence & ReasoningCompetitive Exam2026
Simplify the following expression using the given code language, where ' ' represents ' ', ' ' represents ' ', ' ' represents ' ' and ' ' represents ' '.
Q79mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
What will come in place of the question mark () when and are interchanged and 5 and 18 are also interchanged in the given expression?
Q80mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
If means , means , means , and means , what will be the value of the following expression?
Q81mediummcqGeneral 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?
Q82mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
Select the correct combination of mathematical signs to sequentially replace the signs and balance the given equation.
Q83mediummcqGeneral Intelligence and ReasoningSSC CPO 20242026
What will come in place of the question mark () in the following equation, if ' ' and ' ' are interchanged and ' ' and ' ' are interchanged?
Q84mediummcqGeneral Intelligence and ReasoningStaff Selection Commission2026
Which two signs should be interchanged to make the given equation correct?
99÷33−6+48×26=40

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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.