Select the option that is related to the fourth number in the same way as the first number is related to the second number and the fifth number is related to the sixth number.

14 : 49 : : ? : 256 : : 20 : 100

32

14 : 49 : : ? : 256 : : 20 : 100

The logic followed here is :

Square root of iind term × 2 = Ist term

As we know

Square root of 49 = 7 and 7  × 2 = 14

Square root of 100 = 10 and10  × 2 = 20

Same as

Square root of 256 = 16 and 16  × 2 =32