GATB Arithmetic Reasoning 2

Question 1

A store marks up a product by 25%, then offers a 10% discount. If the cost price is $80, what is the final selling price?

Accepted Answer

$90

Answer

$80 × 1.25 = $100 after markup; $100 × 0.90 = $90 after the discount.

Question 2

Tom can paint a fence in 4 hours and Jerry can paint the same fence in 6 hours. How long will it take them working together?

Accepted Answer

2.4 hours

Answer

Combined rate = 1/4 + 1/6 = 5/12 fence per hour; time = 12/5 = 2.4 hours.

Question 3

A bag contains 5 red balls and 3 blue balls. What percentage of the balls are red?

Accepted Answer

62.5%

Answer

5 red out of 8 total: 5/8 × 100 = 62.5%.

Question 4

A rectangular room is 12 feet long and 9 feet wide. What is the area of the room in square feet?

Accepted Answer

108 sq ft

Answer

Area = length × width = 12 × 9 = 108 square feet.

Question 5

A car purchased for $12,000 depreciates 15% per year. What is its value after one year?

Accepted Answer

$10,200

Answer

$12,000 × (1 − 0.15) = $12,000 × 0.85 = $10,200.

GATB - General Aptitude Test Battery Practice Test