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 : ?
Answer & explanation
Correct answer: option 3
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 .