| 1 | 4 | ? |
| 4 | 2 | 5 |
| 5 | 2 | 3 |
| 49 | 64 | 169 |
A) 3
B) 6
C) 5
D) 4
Correct Answer: C
Solution :
As. \[{{(1+4+2)}^{2}}={{(7)}^{2}}\] \[=49\] And \[{{(4+2+2)}^{2}}={{(8)}^{2}}\] \[=64\] Same as, \[{{(?+5+3)}^{2}}=169\] \[\Rightarrow \] \[?=29.08-10.09\] \[\therefore \] \[?=13-8\] \[=5\]
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