ICET Mathematical Ability - Arithmetic 3

Question 1

What is the compound interest on $1,000 at 10% per annum for 2 years?

Accepted Answer

$210

Answer

$190

Answer

$200

Answer

$220

Question 2

A boat goes 30 km upstream in 6 hours and 30 km downstream in 3 hours. What is the boat's speed in still water?

Accepted Answer

7.5 km/h

Answer

6 km/h

Answer

7 km/h

Answer

8 km/h

Question 3

In how many ways can 4 people be seated in a row?

Accepted Answer

24

Answer

16

Answer

20

Answer

32

Question 4

The HCF and LCM of two numbers are 8 and 48 respectively. If one number is 16, find the other.

Accepted Answer

24

Answer

20

Answer

28

Answer

32

Question 5

A man's salary increased from $3,000 to $3,600. What is the percentage increase?

Accepted Answer

20%

Answer

15%

Answer

18%

Answer

25%

Question 6

In a mixture of 60 liters, milk and water are in the ratio 2:1. How much water must be added to make the ratio 1:1?

Accepted Answer

20 liters

Answer

15 liters

Answer

25 liters

Answer

30 liters