SSC CGL 1 Sep 2016 Paper

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Question : 65 of 100

Marks: +1, -0

The value of

(1/{(p-n)(n-q)}

+

1/{(n-q)(q-p)}

+

1/{(q-p)(p-n)})

is

1
0
p + q + n
${2n}/{p+q}$

Solution:

=

{(q-p)+(p-n)+(n-q)}/{(p-n)(n-q)(q-p)}

=

0/{(p-n)(n-q)(q-p)}

= 0

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