Answer the following
Q7. There is a matrix that follows a certain rule now, wise or column wise. Find the missing number.
7 | 9 | 11 |
81 | 169 | ? |
2 | 4 | 6 |
A. 212
B. 241
C. 144
D. 289
Dear student,
Here we are able to see that,
81 = (7 + 2)2
Same way, 169 = (9 + 4)2
So pattern :-
Every no in the middle row is the square of sum of its upper and lower number.
Therefore,
? = (11 + 6)2 = 172 = 289
So, the answer is at D.
hope this helps.
thumbs up plzz.
Here we are able to see that,
81 = (7 + 2)2
Same way, 169 = (9 + 4)2
So pattern :-
Every no in the middle row is the square of sum of its upper and lower number.
Therefore,
? = (11 + 6)2 = 172 = 289
So, the answer is at D.
hope this helps.
thumbs up plzz.