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Reasoning Quiz on Series for Railway NTPC Stage 2 Exam

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Question 1

Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
aab____aa____bbb____aaa___bbb

Question 2

Direction: Find the missing number in the following series.

6, 11, 21, 36, 56 (………)

Question 3

How many 4’s are there in the following number-series which are preceded by 5 but not followed by 7?
23423425473243192547547234529546

Question 4

Direction: Find the missing number in the following series.

11, 5, 20, 12, ?, 26, 74, 54

Question 5

In each of the following questions, various term of a letter series are given with two term missing as shows by (?). Choose the missing term out of the given alternative.
W, V, T, S, Q, P, N, M, ?, ?

Question 6

Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
__ bc c __ a abc __ ba ab __

Question 7

Directions (Q. Nos. 95-98) In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank spaces.
1, 4, 9, 16, 25 (………)
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Apr 28SSC & Railway