| 1 |
1+2+3+......+n=? |
n(n +1)/2
n +1/2
n(n +1)(2n +1)/6
n<sup>3</sup>
|
| 2 |
There are 30 Red balls and 25 Green balls in a bag of a ball is drawn from the bag randomly what is the probability that a Blue ball comes out? |
1
0.5
0
None
|
| 3 |
There are 30 Red, 20 Green and some Blue bells in a bag if the probability of finding a Red ball is 1/3,how many are red balls in the bag |
120
20
40
90
|
| 4 |
Given eight points in a plane no three of which are collinear how many lines do the points determine? |
16
64
28
36
|
| 5 |
How many different arrangements of the letters in the word QABABA are Possible? |
720
40
60
30
|
| 6 |
Corola available in 5 models 8 colours and 3 sizes how many Corola must a local dealer have no hand in order to have one of each kind avialable? |
24
120
16
39
|
| 7 |
How many elements are in the sample space of two rolling dies |
6
12
18
36
|
| 8 |
A standard deck of 52 cards shuffled what is the probability of choosing the queen of the diamonds |
1/5
1/13
5/52
1/52
|
| 9 |
If P(E) is the probability that can event will occur then P(E)= |
1
0.5
2
0
|
| 10 |
The number of ways in which 5 distinct toys can be distributed among 3 children is |
3<sup>5</sup>
5<sup>3</sup>
C<sup>5</sup><sub>3</sub>
P<sup>5</sup><sub>3</sub>
|
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