A) 120
B) 124
C) 128
D) 132
Correct Answer: C
Solution :
\[{{a}^{2}}=a{{r}^{2}}\]\[\Rightarrow \]\[a={{r}^{2}}\]. Also \[ar=8\]\[\Rightarrow \]\[r=2\] and\[a=4\]. \[\therefore \]\[{{T}_{6}}=a{{r}^{5}}=4\times {{2}^{5}}=128\].You need to login to perform this action.
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