Banking Exam Quantitative Aptitude 4 — Questions and Answers
Question 1: A merchant sells an item for $720, incurring a 10% loss. What was the cost price?
- $780
- $792
- $800 (Correct answer)
- $810
Correct answer: $800
CP × 0.90 = 720, so CP = 720 / 0.90 = $800.
Question 2: A sum of $1,200 is divided among A, B, and C in the ratio 2:3:5. How much does C receive?
- $240
- $360
- $480
- $600 (Correct answer)
Correct answer: $600
C's share = (5/10) × 1200 = $600.
Question 3: How many ways can 4 students be arranged in a row from a group of 7 students?
- 28
- 210
- 840 (Correct answer)
- 5040
Correct answer: 840
Permutations P(7,4) = 7!/(7−4)! = 7×6×5×4 = 840.
Question 4: The simple interest on a sum for 4 years at 5% p.a. is $400. What is the principal?
- $1,600
- $2,000 (Correct answer)
- $2,500
- $4,000
Correct answer: $2,000
P = (SI × 100) / (R × T) = (400 × 100) / (5 × 4) = $2,000.
Question 5: A car depreciates at 15% per annum. If its current value is $10,000, what will it be worth after 2 years?
- $7,000
- $7,225 (Correct answer)
- $7,500
- $8,500
Correct answer: $7,225
Value = 10,000 × (0.85)² = 10,000 × 0.7225 = $7,225.
Question 6: The probability of drawing a red card from a standard 52-card deck is:
- 1/4
- 1/3
- 1/2 (Correct answer)
- 2/3
Correct answer: 1/2
There are 26 red cards in 52 total; probability = 26/52 = 1/2.
Question 7: A cistern can be filled by two taps in 3 hours and 4 hours respectively. How long to fill if both are open?
- 1 hour 12 min
- 1 hour 42 min (Correct answer)
- 2 hours
- 2 hours 20 min
Correct answer: 1 hour 42 min
Combined rate = 1/3 + 1/4 = 7/12; time = 12/7 hours ≈ 1 hour 42 min 51 sec.
Banking Exam Quantitative Aptitude 4
A merchant sells an item for $720, incurring a 10% loss.
What was the cost price?