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What will come at the place of question mark 1 9...

This question belongs to Competitive Reasoning Number Series Completion
Number Series Completion
?

What will come at the place of question mark ?
1, 9, 25, 49, ?, 121.

Answer & Solution
Correct Answer: Option D

12 = 1.
32 = 9.
52 = 25.
72 = 49.
92 = 81.
112 = 121.

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4 Comments
Guddan Singh
Guddan Singh 1 year ago
124,36 ka l.c.m
Swaps K
Swaps K 8 years ago
hello
Maha Lakshmi
Maha Lakshmi 8 years ago
1+8=9
9+16=25
25+24=49
49+32=81
81+40=121

So 81 is the answr
Emdad Milon
Emdad Milon 9 years ago
9-1=8=8x1
25-9=16=8x2
49-25=24=8x3
?-49=32=8x4
next series will be 49+32=81
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