Banking Exam Quantitative Aptitude 4

Question 1

A merchant sells an item for $720, incurring a 10% loss. What was the cost price?

Accepted Answer

$800

Answer

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?

Accepted Answer

$600

Answer

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?

Accepted Answer

840

Answer

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?

Accepted Answer

$2,000

Answer

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?

Accepted Answer

$7,225

Answer

Value = 10,000 × (0.85)² = 10,000 × 0.7225 = $7,225.

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