Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(NOTE : Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 - Operations on 13 such as adding /deleting /multiplying etc, to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)
(4, 5, 81) (2, 5, 49)
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. (3, 5, 64).
(4, 5, 81) = 4 + 5 = 9, 92 = 81, (2, 5, 49) = 2 + 5 = 7, 72 = 49, (3, 5, 64) = 3 + 5 = 8, 82 = 64