1. Find the wrong number in the series 125, 106, 88, 76, 65, 58, 53.
a. 125
b. 106
c. 88
d. 76
EXPLANATION
Correct Option: C
Go on subtracting prime numbers 19, 17, 13, 11, 7, 5 from the number to get the next number. So, 88 is wrong.
2. Fill in the missing number: 4, 27, 256, _, 46656, 823543
a. 3125
b. 4125
c. 625
d. 5625
EXPLANATION
The given sequence of number follows the pattern:

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