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Railways PYQCBT 1 2016

RRB NTPC · Question 96

Find the sum of the prime numbers between 50 and 80. A. 392 B. 390 C. 463 D. 396

  1. B

  2. D

  3. C

  4. A

Show answer & explanation

Answer: (C) C

Explanation

The primes between 50 and 80 are 53, 59, 61, 67, 71, 73 and 79. Their sum is 463.