Select the option in which the two numbers are related in the same way as are the two numbers of the following number-pair.
24 : 648
Answer & explanation
Correct answer: option 2
24 : 648
The logic followed here is
Square of next number of ist number + Ist number - 1 = IInd number
as
252 + 24 - 1
= 625 + 24 - 1
= 649 - 1
= 648
Similarly
22 : 550
232 + 22 - 1
= 529 + 22 - 1
= 551 - 1
= 550