JEE Main 11 April 2015 Paper

Section: Mathematics

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Question : 69 of 90

Marks: +1, -0

If

5

∑

n=1

1

n(n+1)(n+2)(n+3)

=

k

3

then k is equal to :

[Main 11 Apr 2015]

55
336
17
105
1
6
19
112

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