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Railways PYQCBT 1 2020

RRB NTPC · Question 2

A sum of Rs 2600 was lent in two parts in such a way that the simple interest on the first part at 10% per annum for 5 years is equal to the interest on the second part at 9% per annum for 6 years. What share is lent at 10%?

  1. Rs. 1250

  2. Rs. 1450

  3. Rs. 1150

  4. Rs. 1350

Show answer & explanation

Answer: (D) Rs. 1350

Explanation

Let x be lent at 10%. x × 10 × 5/100 = (2600 − x) × 9 × 6/100, so 50x = 54(2600 − x) and 104x = 140400. x = Rs 1350.