| Directions for Questions - In the fallowing questions, numbers are placed in the figure on the basis of same rules, one place is vacant which is indicated as (?). Find out the correct alternative to replace the question mark (?). |
A) 17
B) 9
C) 10
D) 12
Correct Answer: D
Solution :
\[\frac{1}{2}\left( 9\text{ }+4+5 \right)\text{ }=9;\] \[\frac{1}{2}\left( 4+7+11 \right)=11;\] \[\frac{1}{2}\text{ }\left( 7\text{ }+9+8 \right)\text{ }=12\]
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