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Railways PYQCBT 1 2016

RRB NTPC · Question 75

Correct expression of \(0.02\overline {36} = x\) A. 13/550 B. 236/1000 C. \(2\frac{{36}}{{1000}}\) D. 13/555

  1. D

  2. A

  3. C

  4. B

Show answer & explanation

Answer: (B) A

Explanation

x = 0.0236363… with '36' repeating. Then 10000x = 236.3636… and 100x = 2.3636…, so 9900x = 234 and x = 234/9900 = 13/550.