JEE Main 11 Jan 2019 Shift 1 Solved Paper

Section: Mathematics
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Question : 40 of 90
 
Marks: +1, -0
The value of r for which
20
‌
Cr
20
‌
C0
+
20
‌
Cr−1
20
‌
C1
+
20
‌
Cr−2
20
‌
C2
+ ... +
20
‌
C0
20
‌
Cr
is maximum, is
[11 Jan 2019 Shift 1]
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