Multiple choice

A sum of money becomes Rs 6690 after three years and Rs 10035 after six years (on compound interest). The sum is -

  1. Rs 4460

  2. Rs 4384

  3. Rs 4498

  4. Rs 4402

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Let P be principal. After 3 years: P(1+r)³ = 6690. After 6 years: P(1+r)⁶ = 10035. Dividing: (1+r)³ = 10035/6690 = 1.5. Substituting back: P × 1.5 = 6690, so P = 6690/1.5 = 4460.