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(1 + 1/2)(1 + 1/3)(1 + 1/4) x .....(1+ 1/98)(1 + 1/99)

A0

B50

C1

D100

Answer:

B. 50

Read Explanation:

(1+12)×(1+13)×......×(1+199)(1+\frac12)\times(1+\frac13)\times......\times(1+\frac1{99})

=(1+2)2×(1+3)2×.......×(1+99)99=\frac{(1+2)}{2}\times\frac{(1+3)} 2\times.......\times\frac{(1+99)}{99}

=32×43×54×......×10099=\frac32\times\frac43\times\frac54\times......\times\frac{100}{99}

=1002=\frac{100}2

=50=50


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