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RRB NTPC 2017 · Question 438 of 1076

The simple interest at R % p.a. on a certain principal P is $$\left(\frac{9}{16}\right)^{th}$$ of P. If R is equal to the number of years (N) find the value of N.

  1. A8.5
  2. B7
  3. C7.5Correct
  4. D6

Answer: C. 7.5

Official answer key verified. Detailed explanation coming soon.

Source: RRB NTPC Tier-2 (CEN 03/2015) 17-Jan-2017 Shift-2 — solved paper with answer key · reliable-secondary

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