Mettl Quantitative Aptitude and Reasoning 4

Question 1

The simple interest on $5,000 at 8% per annum for 3 years is:

Accepted Answer

$1,200

Answer

SI = P × R × T / 100 = 5000 × 8 × 3 / 100 = $1,200.

Question 2

A cube has a volume of 125 cm³. What is the total surface area of the cube?

Accepted Answer

150 cm²

Answer

Side = ∛125 = 5 cm; surface area = 6 × 5² = 150 cm².

Question 3

In a coding system, APPLE is coded as BQQMF. How is MANGO coded?

Accepted Answer

NBOHP

Answer

Each letter is shifted forward by 1 in the alphabet, so M→N, A→B, N→O, G→H, O→P = NBOHP.

Question 4

A clock shows 3:15. What is the angle between the hour and minute hands?

Accepted Answer

7.5°

Answer

At 3:15, minute hand is at 90°; hour hand is at 90+15×0.5 = 97.5°; angle = 7.5°.

Question 5

If ΔABC ∼ ΔDEF and AB:DE = 2:3, then the ratio of their areas is:

Accepted Answer

4:9

Answer

The ratio of areas of similar triangles equals the square of the ratio of corresponding sides: (2/3)² = 4/9.

Mettl Practice Test