Number Series
 1, 5, 13, 25, 41, ?

 51
 57
 61
 63
 None of these

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The given series is in pattern + 4, + 8, + 12, + 16, ...............
So, the missing term = 41 + 20 = 61Correct Option: C
The given series is in pattern + 4, + 8, + 12, + 16, ...............
So, the missing term = 41 + 20 = 61
 1, 1, 2, 6, 24, ?, 720

 100
 104
 108
 120
 None of these

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The given series is the pattern x1, x2, x3, x4, .............
so, the missing term = 24 x 5 = 120Correct Option: D
The given series is the pattern x1, x2, x3, x4, .............
so, the missing term = 24 x 5 = 120
 6, 13, 28, 59, ?

 111
 113
 114
 122
 None of these

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the given series is in the pattern x 2 + 1, x 2 + 2, x 2 + 3,............
So, the missing term = 59 x 2 +4 = 122Correct Option: D
the given series is in the pattern x 2 + 1, x 2 + 2, x 2 + 3,............
So, the missing term = 59 x 2 +4 = 122
 3, 15, ?, 63, 99, 143

 27
 35
 45
 56
 None of these

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The given series is in the pattern (2^{2}  1), (4^{2}  1),............ (8^{2}  1), (10^{2}  1), (12^{2}  1). So, the missing term is (6^{2}  1) = 35
Correct Option: B
The given series is in the pattern (2^{2}  1), (4^{2}  1),............ (8^{2}  1), (10^{2}  1), (12^{2}  1). So, the missing term is (6^{2}  1) = 35
 5760, 960, ?, 48, 16, 8

 120
 160
 192
 240
 None of these

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The given series is in pattern ÷ 6, ÷ 5, ÷ 4, ÷ 3, ÷ 2. So the missing term is 960 ÷ 5 = 192
Correct Option: C
The given series is in pattern ÷ 6, ÷ 5, ÷ 4, ÷ 3, ÷ 2. So the missing term is 960 ÷ 5 = 192