A) 7
B) 8
C) \[\frac{4}{9}\]
D) \[\frac{3}{2}\]
Correct Answer: B
Solution :
We have,
Adding (i), (ii), (iii) and (iv), we get, 
\[=\frac{13}{2}+\frac{15}{2}+\frac{17}{2}+\frac{3}{2}\] 
\[=\frac{13+15+17+3}{2}\] 
\[=\frac{48}{2\times 3}=8\]
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