If n is even , then the middle term in the expansion of is 924 x^{6} , then n is equal to
10
12
14
None of these
If the ratio of the coefficient of third and fourth term in the expansion of (x - 1/2x )^{n} is 1 : 2 , then the value of n will be
18
16
-10
The value of (1.002)^{12} upto fourth place of decimal is
1.0242
1.0245
1.0004
1.0254
If n is odd then c_{0}^{2} - c_{1}^{2} + c_{2}^{2} - c_{3}^{2} + ............. + (-1)^{n}c_{n}^{2} is equal to
0
1
∞
n! / (n/2)^{2}!
If in the expansion of (1 + x )^{n} , the coefficient of r^{th} and (r + 2)^{th} term be equal , then r is equal to
2n
n/2
The sum of the coefficient in the expansion of (1+x - 3x^{2})^{2163} will be
-1
2^{2163}
is equal to
100
120
-120
The value of (0.99)^{15} is
0.8432
0.8601
0.8502
In the expansion of , the term containing x^{4} is
70 x^{4}
60 x^{4}
56 x^{4}
^{n}c_{0} - 1/2 ^{n}c_{1} + 1/3 ^{n}c_{2} - ........ + (-1)^{n} is equal to
n
1/n
1/(n + 1)
1/n - 1