Select the option that is related to the third number in the same way as the second number is related to the first number.
12 : 121 : : 10 : ?
Answer & explanation
Correct answer: option 2
Pattern followed is :
X : (X-1)2
We have ,
12 : 121
12 : (12-1)2
12 : (11)2
12 : 121
Similarly ,
10 : ?
10 : (10-1)2
10 : (9)2
10 : 81
81 is correct answer .