Multiple choice

Find the total simple interest on ₹ 500 at 7% per annum and ₹ 7000 at 10% per annum and ₹ 1000 at 5% per annum for 3 years?

  1. $₹ 2000$
  2. $₹ 2125$
  3. $₹ 2245$
  4. $₹ 2355$
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Calculate SI separately and sum: For ₹500 at 7% for 3 years: SI = 500 × 7 × 3/100 = ₹105. For ₹7000 at 10% for 3 years: SI = 7000 × 10 × 3/100 = ₹2100. For ₹1000 at 5% for 3 years: SI = 1000 × 5 × 3/100 = ₹150. Total SI = 105 + 2100 + 150 = ₹2355. The approach is to apply the SI formula separately to each principal amount and then add.

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