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.
72 : 108 :: 84 : ? :: 102 : 153
Answer & explanation
Correct answer: option 2
Pattern followed here is :
1st No . : 1st No . + 1st No ÷ 2
We have ,
72 : 108
72 : 72 + 72÷ 2
72 : 72 + 36
72 : 108
& 102 : 153
102 : 102 + 102÷ 2
102 : 102 + 51
102 : 153
Similarly ,
84 : ?
84 : 84 + 84 ÷ 2
84 : 84 + 42
84 : 126
126 , is correct answer .