CMAT Quantitative Techniques 2

Question 1

A sum doubles itself in 10 years at simple interest. What is the annual interest rate?

Accepted Answer

10%

Answer

8%

Answer

12%

Answer

15%

Question 2

A 20% increase followed by a 20% decrease results in what net change?

Accepted Answer

−4%

Answer

0%

Answer

−2%

Answer

−5%

Question 3

If 8 workers can complete a job in 15 days, how many days will 12 workers take?

Accepted Answer

10

Answer

8

Answer

9

Answer

12

Question 4

A car's value depreciates by 15% each year. What is its value after 2 years if bought for $20,000?

Accepted Answer

$14,450

Answer

$14,000

Answer

$14,900

Answer

$15,200

Question 5

The average of five numbers is 40. If one number is removed, the average becomes 35. What is the removed number?

Accepted Answer

60

Answer

55

Answer

65

Answer

70

Question 6

A rectangle's length is increased by 20% and width decreased by 10%. What happens to its area?

Accepted Answer

Increases by 8%

Answer

Increases by 10%

Answer

Decreases by 8%

Answer

Stays the same