Question : Directions: 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
63 : 36 :: 94 : 49 :: 81 : ?
Option 1: 18
Option 2: 54
Option 3: 36
Option 4: 44
Correct Answer: 18
Solution :
Given:
63 : 36 :: 94 : 49 :: 81 : ?
Like, 63 : 36→Reverse the digits of 63 = 36
94 : 49→Reverse the digits of 94 = 49
Similarly, 81 : ?→Reverse the digits of 81 = 18
So, 18 is related to 81. Hence, the first option is correct.