1
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
If $${S_n} = \sum\limits_{r = 0}^n {{1 \over {{}^n{C_r}}}} \,\,and\,\,{t_n} = \sum\limits_{r = 0}^n {{r \over {{}^n{C_r}}},\,} $$then $${{{t_{ n}}} \over {{S_n}}}$$ is equal to
A
$${{2n - 1} \over 2}$$
B
$${1 \over 2}n - 1$$
C
n - 1
D
$${1 \over 2}n$$
2
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
If $$x$$ is positive, the first negative term in the expansion of $${\left( {1 + x} \right)^{27/5}}$$ is
A
6th term
B
7th term
C
5th term
D
8th term.
3
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
The number of integral terms in the expansion of $${\left( {\sqrt 3 + \root 8 \of 5 } \right)^{256}}$$ is
A
35
B
32
C
33
D
34
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
The coefficients of $${x^p}$$ and $${x^q}$$ in the expansion of $${\left( {1 + x} \right)^{p + q}}$$ are
A
equal
B
equal with opposite signs
C
reciprocals of each other
D
none of these
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