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Railways PYQCBT 2 2017

RRB NTPC · Question 60

Priya invested a certain amount of money and got back an amount of Rs. 8800 after 3 years. If the rate of simple interest is 40%, what is the principal amount invested by Priya?

  1. Rs. 7333

  2. Rs. 4333

  3. Rs. 4000

  4. Rs. 7000

Show answer & explanation

Answer: (C) Rs. 4000

Explanation

With SI at 40% a year for 3 years, the amount is P(1 + 1.2) = 2.2P = 8800, so P = Rs 4000.