1 |
In binomial expansion of (a+b)n, n is positive integer the sum of odd coefficients equals: |
none of these
|
2 |
|
2x
x<sup>2</sup>
1
none of these
|
3 |
The middle term in the expansion of (1+x)1/2 is: |
T<sub>2</sub>
T<sub>3</sub>
does not exist
none of these
|
4 |
|
T<sub>6</sub>
T<sub>7</sub>
T<sub>8</sub>
T<sub>5</sub>
|
5 |
The middle terms of (x+y)23 are: |
T<sub>10</sub>,T<sub>11</sub>
T<sub>11</sub>,T<sub>12</sub>
T<sub>12</sub>,T<sub>13</sub>
none of these
|
6 |
The middle term of (x-y)18 is: |
9th
10th
11th
none of these
|
7 |
The middle term in the expansion of (a+b)20 is; |
10<sup>th</sup> term
11<sup>th</sup>term
12<sup>th</sup>term
13<sup>th</sup>term
|
8 |
If n is a positive integer, then the binomial co-efficient equidistant form the beginning and the end in the expansion of (x+a)n are: |
same
not same
additive inverse of each other
none of these
|
9 |
Number of terms in the expansion of (x+y)6 is: |
7
6
2
8
|
10 |
Number of terms in the expansion of (a+b)n is: |
n
n+1
n-1
none of these
|
11 |
If a statement P(n) is true for n = 1 and truth of P(n) for n = k implies the truth of P(n) for n = k + 1, then P(n) is true for all: |
integers n
real numbers n
positive real numbers n
positive integers n
|
12 |
|
|
13 |
One card is drawn at random from a pack of 52 cards. The probability that the card drawn a king is: |
none of these
|
14 |
A dice is rolled, the probability of getting a number which is even or greater than 4 is: |
none of these
|
15 |
In a simultaneous throw of two dice, The probability of getting sum 3 or 11 is: |
none
|
16 |
In a simultaneous throw of two dice, The probability of getting a total of 7 is: |
|
17 |
Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn bears a number which is a multiple of 3 ? |
none of these
|
18 |
|
4
6
8
10
|
19 |
A dice is thrown. The probability to get an even number is: |
1
none of these
|
20 |
A dice is thrown. The probability to get an odd number is; |
1
none of these
|