The number of terms in the expansion (2x - 3y)5 is
5
6
10
30
If the ratio of the coefficient of third and fourth term in the expansion of (x - 1/2 x )n is 1 : 2 , then the value of n will be
18
16
12
-10
The value of (0.99)15 is
0.8432
0.8601
0.8502
None of these
If n is even , then the middle term in the expansion of is 924 x 6 , then n is equal to
14
If the coefficient of 7th and 13th term in the expansion of (1 + x ) n are equal , then n is equal to.
15
20
In the expansion of , the term containing x4 is
70 x4
60 x4
56 x4
is equal to.
100
120
-120
nc0 - 1/2 nc1 + 1/3 nc2 - ........ + (-1)n is equal to
n
1/n
1/(n + 1)
1/n - 1
6th term in expansion of is
The sum of the coefficient in the expansion of (1+x - 3 x2)2163 will be
0
1
-1
22163