Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is related to the fifth number.
12 : 72 :: 18 : ? :: 22 : 242
Answer & explanation
Correct answer: option 3
12 : 72 :: 18 : ? :: 22 : 242
The logic followed here is
Ist number2 ÷ 2 = IInd number
As
122 ÷ 2 = 144 ÷ 2 = 72
and
22 : 242
222 ÷ 2 = 484 ÷ 2 = 242
Similarly
18 : ?
182 ÷ 2 = 324 ÷ 2 = 162