Direction for Question: There are three circles with four number outside them. While in the first two circles, a number has been filled according to a rule in the third circle the mark (?) Is given. Out of the five alternatives find a suitable Number?
A) 100
B) 120
C) 144
D) 196
E) 256
Correct Answer:
C
Solution :
Central number = square of the sum of outer four numbers.