Select the option in which the numbers are related in the same way as are the numbers of the following set.
(11, 20, 81)
Answer & explanation
Correct answer: option 3
(11, 20, 81)
The logic followed here is :
(IInd number - Ist number)2 = IIIrd number
As
(20 - 11)2 = 92 = 81
Similarly
(25, 36, 121)
(36 - 25)2 = 112 = 121