Select the option that is related to the third number in the same way as the second number is related to the first number. 31 : 54 :: 43 : ? |
74 64 66 76 |
66 |
Pattern followed is : 31 : 54 54 - 31 = 23 Difference between 1st and 2nd term is 22 . SImilarly , 43 : ? Let , 43 : x x - 43 = 23 x = 66 Hence , 66 is correct answer . |