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 that can replace the question mark (?) in the following series.
62, 66, 74, 90, ?
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Select the letter-cluster that can replace the question mark (?) in the following series.ADG, CGK, EJO, ? , IPW
Select the number that can replace the question mark (?) in the following series.5, 10, 26, ?, 122, 170
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
11, 12, 36, 41, ?, 296
In the following question, select the missing number from the given series.
66, 65, 63, 62, 60, ?
29, 32, 38, 41, 47, ?
58, 73, 99, 138, 193, ? , 368
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