AFCT Mathematical Aptitude 2

Question 1

What is the value of 3 raised to the 4th power?

Accepted Answer

81

Answer

3 to the 4th power means 3 x 3 x 3 x 3 = 81.

Question 2

Simplify: 2/3 + 3/4

Accepted Answer

17/12

Answer

Common denominator of 12: 2/3 = 8/12 and 3/4 = 9/12. Adding: 8/12 + 9/12 = 17/12.

Question 3

If x + 7 = 15, what is the value of 3x?

Accepted Answer

24

Answer

Solving for x: x = 15 - 7 = 8. Therefore 3x = 3 x 8 = 24.

Question 4

What is 15% of 240?

Accepted Answer

36

Answer

15% of 240 = 0.15 x 240 = 36.

Question 5

What is the area of a triangle with a base of 10 cm and a height of 8 cm?

Accepted Answer

40 sq cm

Answer

Area = 1/2 x base x height = 1/2 x 10 x 8 = 40 sq cm.

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