JEE Advanced Model Paper 20 with solutions for online practice

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Question : 34 of 57
 
Marks: +1, -0
If (
100
‌
C0
)
(
200
‌
C150
)
+ (
100
‌
C1
)
(
200
‌
C151
)
+ ..... + (
100
‌
C50
)
(
200
‌
C200
)
=
n
‌
Cr
then find the value of theinteger
n
r
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