Banking Exam Quantitative Aptitude 2 — Questions and Answers
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?
- $18,000
- $18,600 (Correct answer)
- $19,200
- $17,400
Correct answer: $18,600
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?
- 15 hours
- 18 hours (Correct answer)
- 12 hours
- 3 hours
Correct answer: 18 hours
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?
- 6
- 8 (Correct answer)
- 10
- 12
Correct answer: 8
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?
- 20%
- 12% (Correct answer)
- 8%
- 10%
Correct answer: 12%
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?
- 16
- 18
- 20 (Correct answer)
- 22
Correct answer: 20
Total work = 15 × 12 = 180 man-days; workers needed = 180 / 9 = 20.
Question 6: A sum doubles itself at simple interest in 10 years. What is the annual rate of interest?
- 5%
- 8%
- 10% (Correct answer)
- 12%
Correct answer: 10%
For a sum to double in 10 years at SI: 100 = R × 10, so R = 10%.
Question 7: The average salary of 20 employees is $4,500. If the manager's salary of $9,000 is added, what is the new average?
- $4,714 (Correct answer)
- $4,850
- $4,950
- $5,000
Correct answer: $4,714
Total = 20 × 4500 + 9000 = 99,000; new average = 99,000 / 21 ≈ $4,714.
A bank offers a loan of $15,000 at 8% simple interest per annum.
What is the total amount repayable after 3 years?