Question 132
Select the option that is related to the third number in the same way as the second number is related to the first number.
99 : 120 :: 143 : ?
Solution
99 can be factorized as 9*11
120 can be factorized as 10*12 = (9+1)*(11+1)
143 can be written as 13*11
So, 14*12=168
