HAST Quantitative Reasoning 2

Question 1

A car uses 6 liters of fuel per 100 km. How much fuel is needed for a 250 km trip?

Accepted Answer

15 liters

Answer

Fuel = (6 ÷ 100) × 250 = 15 liters.

Question 2

The average of five numbers is 12. If four of the numbers are 10, 11, 13, and 14, what is the fifth?

Accepted Answer

12

Answer

Total = 5 × 12 = 60; sum of known numbers = 10 + 11 + 13 + 14 = 48; fifth number = 60 − 48 = 12.

Question 3

A square has perimeter 36 cm. What is its area?

Accepted Answer

81 cm²

Answer

Side = 36 ÷ 4 = 9 cm; area = 9² = 81 cm².

Question 4

A store increases a price by 20% and then decreases it by 20%. Is the final price higher, lower, or the same as the original?

Accepted Answer

Lower than original

Answer

Increasing then decreasing by 20% gives 1.2 × 0.8 = 0.96 times the original, which is 4% lower.

Question 5

What is 15% of 200?

Accepted Answer

30

Answer

15% of 200 = 0.15 × 200 = 30.

HAST - Higher Ability Selection Test Practice Test