Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number.
12 : 132 :: 20 : 380 :: 2 : ?
Answer & explanation
Correct answer: option 4
12 : 132 :: 20 : 380 :: 2 : ?
The logic followed here is :
12 : 132
12 × ( 12 - 1 )
= 12 × 11
=132
and
20 : 380
20 × (20 - 1 )
= 20 × 19
= 380
Similarly
2 : ?
2 × (2 - 1 )
= 2 × 1
= 2