General Quantitative Aptitude Basics Questions and Answers

Question 1

A shopkeeper sells an item for $150 after marking it up by 25% on the cost price.
Due to low sales, he decides to offer a discount.
What is the maximum percentage discount he can offer on the marked price to avoid making a loss?

Accepted Answer

20%

Answer

15%

Answer

25%

Answer

30%

Question 2

Working alone, machine A can complete a task in 6 hours. Working alone, machine B can complete the same task in 9 hours. If both machines start working together, but machine A breaks down after 2 hours, how many more hours will it take for machine B to complete the rest of the task alone?

Accepted Answer

4 hours

Answer

3 hours

Answer

4.5 hours

Answer

5 hours

Question 3

The average age of a group of 30 students is 14 years. When the teacher's age is included, the average age of the group increases to 15 years. What is the teacher's age?

Accepted Answer

45 years

Answer

31 years

Answer

44 years

Answer

59 years

Question 4

A train traveling at a constant speed of 90 km/hr crosses a stationary pole in 8 seconds. What is the length of the train?

Accepted Answer

200 meters

Answer

180 meters

Answer

720 meters

Answer

250 meters

Question 5

The salaries of two individuals, Alex and Ben, are in the ratio of 4:5. If Alex's salary is increased by 10% and Ben's salary is increased by 20%, what is the new ratio of their salaries?

Accepted Answer

11:15

Answer

4:6

Answer

5:7

Answer

22:25

Question 6

A sum of money is invested at a simple interest rate of 8% per annum. In how many years will the investment double itself?

Accepted Answer

12.5 years

Answer

8 years

Answer

10 years

Answer

15 years

A shopkeeper sells an item for $150 after marking it up by 25% on the cost price.Due to low sales, he decides to offer a discount.What is the maximum percentage discount he can offer on the marked price to avoid making a loss?

A shopkeeper sells an item for $150 after marking it up by 25% on the cost price.
Due to low sales, he decides to offer a discount.
What is the maximum percentage discount he can offer on the marked price to avoid making a loss?