Find the wrong number in the series.
1, 2, 6, 15, 31, 56, 91
The difference of the two consecutive numbers are 1, 4, 9, 16, 25, 35.
This is clearly , +12, +22, +32, +42, +52,+62
Here 35 is wrong, So our wrong number is 91
Select the number missing from the given number series.
4, 9, 20, 44, ?
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Select the number missing from the given series.
3, 12, ___, 21612
In the following question, select the missing number from the given series.
93, 100, 107, 114, ?, 128
23, 24, 26, 27, 29, ?
131, 138, 145, 152, ?, 166
19, 21, 25, 27, 31, ?
107, 104, 100, 95, ?, 82
11, 14, 19, 22, 27, ?