Railways PYQCBT 1 2016

RRB NTPC · Question 87

Insert the missing character in?

Figure
  1. 262

  2. 622

  3. 631

  4. 824

Show answer & explanation

Answer: (B) 622

Explanation

The centre number is the three top digits minus the three bottom digits (or the reverse): 915 − 364 = 551 and 789 − 543 = 246. For the third, 863 − 241 = 622.