SSC CHSL Model Paper 11

Question : 66 of 100

Marks: +1, -0

If a, b, c are non zero,

a+1/b= 1

and

b+1/c=1

, then the value of

a b c

is :

Solution:

a+1/b= 1⇒ab+1=b

⇒ ab = b - 1

....(i)
Again,

b+1/c=1

1/c=1-b

....(ii)
On multiplying

abc={b-1}/{1-b}=-1

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