A topic you 'somewhat know' is a topic you don't know yet. Be honest about your weak areas.

Similarities and Differences — quick quiz

5 RRB NTPC-pattern questions on Similarities and Differences. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 5

Easy

Choose the odd one out from the following number group: 121, 144, 169, 188, 225