Banking Exam Quantitative Aptitude 2

Question 1

A bank offers a loan of $15,000 at 8% simple interest per annum. What is the total amount repayable after 3 years?

Accepted Answer

$18,600

Answer

Simple interest = 15000 × 0.08 × 3 = $3,600; total = $15,000 + $3,600 = $18,600.

Question 2

A pipe fills a tank in 6 hours and another empties it in 9 hours. If both are open, in how many hours will the tank be full?

Accepted Answer

18 hours

Answer

Net rate = 1/6 − 1/9 = 1/18 per hour, so the tank fills in 18 hours.

Question 3

The ratio of two numbers is 3:5 and their LCM is 120. What is their HCF?

Accepted Answer

8

Answer

Let the numbers be 3k and 5k; LCM = 15k = 120, so k = 8; HCF = k = 8.

Question 4

A shopkeeper marks goods 40% above cost and allows a 20% discount. What is his profit percentage?

Accepted Answer

12%

Answer

Selling price = 1.4 × 0.8 = 1.12 times cost, giving a 12% profit.

Question 5

If 15 workers can complete a job in 12 days, how many workers are needed to finish the same job in 9 days?

Accepted Answer

20

Answer

Total work = 15 × 12 = 180 man-days; workers needed = 180 / 9 = 20.

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