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

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 i ts constituent digits. E.g. 13 – Operations on 13 such as adding / subtracting / 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)

(7, 58, 56)

(9, 72, 74)

A. (4,60,75)

B. (5,43,52)

C. (7, 59, 55)

D. (11, 86, 92)

Sol:

Pattern follows here is

If (a: b: c) then a : 7a+9 : 9a – 7

Option D follows the same pattern.