Quantitative Aptitude Questions

The greatest five-digit number which is a perfect square is:

A profit of $25\%$ is made by selling an article for $\text{Rs. }30$. If the article were sold for $\text{Rs. }33.60$, what would be the profit percentage?

As per agreement with a bank, a businessman had to refund a loan in some equal installments without interest. After paying 18 installments he found that 60% of his loan was refunded. How many installments were there in the agreement?

Running at a speed of $60\text{km/h}$, a train passed through a $1.5\text{km}$ long tunnel in $2\text{minutes}$. What is the length of the train?

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?

A teacher travelled a distance of 22km in 7 hours. He travelled partly on foot at the speed of 2km/h and partly on bicycle at the rate of 4km/h. The distance travelled on foot is:

A man has a certain number of small boxes to pack into parcels. If he packs $3$, $4$, $5$ or $6$ in a parcel, he is left with one; if he packs $7$ in a parcel, none is left over. What is the number of boxes he may have to pack?

A number series is given with one wrong term. Identify the wrong term given:
53, 59, 63, 67, 71

If Tanmay covers three equal distances at the speeds of 2km/h, 3km/h and 4km/h, respectively, then find his average speed (in km/h) during the whole journey. (Rounded off to 2 decimal places)

The average age of all the students of a class is 18 years. The average age of the boys of the class is 19 years and of the girls is 14 years. If the number of girls in the class is 30, then what is the number of boys in the class?

A garrison of 140 men has provisions for 35 days. At the end of 10 days, 35 more men joined them. How many days can they sustain on the remaining provisions?

If class A has 11 boys and 18 girls, class B has 13 boys and 17 girls, and class C has 20 boys and 9 girls, which class has the biggest ratio(s) of boys to girls?

The radius of a hemisphere is 9cm. Its volume will be:

If the cost price of a table is ₹400 and the selling price is ₹600, then find the profit percentage.

Sanjana borrows ₹16,000 at 24% per annum simple interest and Savithri borrows ₹18,200 at 20% per annum simple interest. In how many years will their amounts of debts be equal?

If the cylinder height is 9cm and the base area is 25πcm
2
, then find the total surface area.

If two-fifth of three-eighth of one-sixth of a certain number is 52, what is 40% of the number?

₹1,380 has to be paid after 4 years. If four equal instalments are required with a simple interest of 10% on each instalment, then what is the value of each instalment?

A shopkeeper expects a gain of 36% on his cost price. If in a month, his sale was ₹6,14,856, then what was his profit (in ₹)?

Kajal offers two successive discounts of 10% and 8% on the sale of a cosmetic item to her customer. What is the equivalent single percentage discount offered by Kajal?

The average of v numbers is w
2
and that of w numbers is v
2
. Then the average of all the numbers is:

The diagonal of a cube is 5
3

​
cm. Find the surface area of the cube.

Which of the following numbers are divisible by 11?
(i) 29435417
(ii) 57463828
(iii) 57463824
(iv) 29435416

In an election between two candidates, 75% of the voters cast their votes, out of which 4% of the votes were declared invalid. A candidate got 9504 votes, which were 80% of the valid votes. Find the total number of votes enrolled in that election.

Roshan owned a plot of land having an area that was 20% more than the area of the plot owned by Susan, while the area of the plot of land owned by Jacob was 30% more than the area of the plot owned by Roshan. If the area of the plot owned by Susan was 1250 square feet, what was the area (in square feet) of the plot owned by Jacob?

At a construction site, 15 men or 10 machines can construct a room in 66 days. In how many days can 5 men and 4 machines together complete the work?

A sum of ₹2,400 gives a simple interest of ₹378 in 2 years 4 months. What is the rate of interest per annum?

If an electricity bill is paid before the due date, one gets a reduction of 5% on the amount of the bill. By paying the bill before the due date, a person got a reduction of ₹250. The original amount of his electricity bill (in ₹) was:

A train passes a 500m long platform in 12 seconds and a man standing on the platform in 4 seconds. Find the speed of the train.

A thief is noticed by a policeman from a distance of 500m. The thief starts running and the policeman chases him. The thief and the policeman run at the speed of 12km/h and 13km/h, respectively. What is the distance between them after 12 minutes?

A 4-digit number '34PQ' is divisible by 3, 5 and 7. Find the value of P+Q.

A salesman purchases goods at ₹1,250 and is forced to sell it at ₹1,000. Find his loss percentage.