Directions for Questions - Choose the missing number from the given alternatives. |
1 | 11 | 120 |
2 | 7 | 45 |
3 | 5 | ? |
A) 19
B) 17
C) 16
D) 15
Correct Answer: C
Solution :
\[{{11}^{2}}-{{1}^{2}}=120;\text{ }{{7}^{2\text{ }}}-{{2}^{2}}=\text{ }45;\text{ }{{5}^{2}}-{{3}^{2}}=16\]You need to login to perform this action.
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