GMA Quantitative Reasoning 3

Question 1

A car's fuel efficiency is 12 km per litre. Fuel costs $1.50 per litre. How much does fuel cost for a 360 km trip?

Accepted Answer

$45

Answer

Litres needed = 360÷12=30 litres. Cost = 30×$1.50=$45.

Question 2

The average of 5 numbers is 20. If one number is removed and the new average is 18, what was the removed number?

Accepted Answer

28

Answer

Original sum = 5×20=100. New sum (4 numbers) = 4×18=72. Removed number = 100-72=28.

Question 3

Two partners invest in a business in the ratio 5:3. Total profit is $6,400. How much does the smaller partner receive?

Accepted Answer

$2,400

Answer

Total parts = 5+3=8. Smaller partner's share = (3/8)×$6,400=$2,400.

Question 4

A circle has a radius of 7 cm. What is its area? (Use π ≈ 22/7)

Accepted Answer

154 cm²

Answer

Area = π×r² = (22/7)×7² = (22/7)×49 = 22×7 = 154 cm².

Question 5

A train ticket costs $25 on weekdays and $35 on weekends. In a 4-week month, a commuter buys 20 weekday and 8 weekend tickets. What is the total cost?

Accepted Answer

$760

Answer

Weekday cost: 20×$25=$500. Weekend cost: 8×$35=$280. Total: $500+$280=$780.

(GMA) General Mental Ability Practice Test

(GMA) General Mental Ability Practice Test

GMA Quantitative Reasoning 3