Start learning →

Products of neighbours give 2, 6, 12, 20, 30. Which product comes after?

A48
B42
C44
D40
Answer & Solution
Correct answer: B. 42
The gaps are 4, 6, 8, 10, so the next gap is 12 and 30 + 12 = 42.
Practise this question with Quill — RRB NTPC →

Keep practising Number Series

Browse all Number Series questions for RRB NTPC, or explore more Reasoning topics.

Start a Number Series lesson →