Start learning →

આગળનું પદ શોધો: 3, 7, 15, 31, 63, ?

A125
B99
C127
D95
Answer & Solution
Correct answer: C. 127
દરેક પદ 2 × અગાઉનું પદ + 1 છે: 3 → 7 (2×3+1), 7 → 15 (2×7+1), 15 → 31, 31 → 63, 63 → 127. અથવા 2ⁿ⁺¹ - 1.
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 →
Related questions
RRB NTPC · Advanced Sequence RulesRRB NTPC · Number Series PatternsRRB NTPC · Find Next in Number SeriesIn the series Z Y X W V U T S, what is the 5th letter from the right?Find the next: ACE, BDF, CEG, ?Find the next: AZ, BY, CX, DW, ?Find the missing: B, D, F, H, ?, LFind the next: A, C, E, G, ?