Select the number-pair in which the two numbers are related in the same way as are the two numbers of the following number-pair.
7 : 198
Answer & explanation
Correct answer: option 4
7 : 198
The logic followed here is :
(Ist number)2 × 2 + 100 = IInd number
AS
(7)2 × 2 + 100
= 49 × 2 + 100
= 98 + 100
= 198
Similarly
8 : 228
(8)2 × 2 + 100
= 64 × 2 + 100
= 128 + 100
= 228