Start learning →

अगली संख्या ज्ञात कीजिए: 2, 6, 12, 20, 30, ?

A40
B36
C42
D44
Answer & Solution
Correct answer: C. 42
**अंतर:** 4, 6, 8, 10 (प्रत्येक बार 2 की वृद्धि)। अगला अंतर = 12। अतः 30 + 12 = 42। समतुल्य रूप: n=1, 2, 3, ... के लिए n(n+1) जिससे 2, 6, 12, 20, 30, 42 प्राप्त होता है।
Practise this question with Quill — RRB NTPC →

Keep practising Number Series

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

Start a Number Series lesson →