NextMockSearch exams, e.g. SSC CGL, UPPSC, Lekhpal
Railways PYQCBT 2 2017

RRB NTPC · Question 7

Find 'X' if the below three numbers are in proportion. 2.6, 1.3, X

  1. 1.95

  2. 1.83

  3. 3.9

  4. 0.65

Show answer & explanation

Answer: (D) 0.65

Explanation

For 2.6, 1.3, X in continued proportion, 2.6 : 1.3 = 1.3 : X. So X = 1.3 × 1.3/2.6 = 0.65.