A) 3
B) \[\left( 1+\frac{1}{5} \right)\]
C) 5
D) \[\left( 1+\frac{1}{2} \right)\,\,\left( 1+\frac{1}{5} \right)\]
Correct Answer: A
Solution :
[a] Next term will be \[\left( 1+\frac{1}{2} \right)\,\,\left( 1+\frac{1}{3} \right)\,\,\left( 1+\frac{1}{4} \right)\,\,\left( 1+\frac{1}{5} \right)\] \[=\frac{3}{2}\times \frac{4}{3}\times \frac{5}{4}\times \frac{6}{5}=3\].
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