Multiple choice

If any amount on simple interest become Rs. 690 in 3 years and Rs. 750 in 5 years, find out the amount.

  1. Rs. 400

  2. Rs. 450

  3. Rs. 500

  4. Rs. 600
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Simple interest for 2 years (5-3) is 750 - 690 = 60. Interest for 1 year is 30. Interest for 3 years is 90. Principal = Amount - Interest = 690 - 90 = 600.

AI explanation

The difference between the amounts for 5 years and 3 years, which is 750 minus 690, equals 60; this represents the simple interest for 2 years. The yearly interest is 30, and subtracting 3 years of interest (90) from the 3-year amount gives the principal of 600. The result is Rs. 600.

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