Q1.

Which number can replace the question mark (?) in the following series?

1, 10, 28, 55, 91, 136?

Q2.

Select the set in which the number are related in the same way as are the numbers of the following sets.

(NOTE: Operation should be performed on whole number; without breaking down the numbers into their constituent digits. E.g. 13 - Operation on 13 such as adding/subtracting/multiplying, etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operation on 1 and 3 is not allowed.)

(162, 9, 18)

(231, 11, 21)