GRT Aptitude 5

Question 1

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

Accepted Answer

7.5°

Answer

At 3:15 the minute hand is at 90° and the hour hand is at 97.5° (3×30 + 15×0.5); difference = 7.5°.

Question 2

Which pair of words has the same relationship as HOT : COLD?

Accepted Answer

Bright : Dim

Answer

Hot and cold are antonyms; bright and dim are also antonyms.

Question 3

Two pipes fill a tank in 6 hours and 12 hours respectively. How long will both pipes together take to fill the tank?

Accepted Answer

4 hours

Answer

Combined rate = 1/6 + 1/12 = 3/12 = 1/4; time = 4 hours.

Question 4

If the average of five numbers is 14, and four of them are 10, 12, 16, and 18, what is the fifth number?

Accepted Answer

14

Answer

Total = 5 × 14 = 70; fifth number = 70 − (10+12+16+18) = 70 − 56 = 14.

Question 5

A company's revenue grew from $500,000 to $650,000. What is the percentage increase?

Accepted Answer

30%

Answer

Increase = $150,000; percentage = (150,000/500,000) × 100 = 30%.

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