A bag contains 5 black 7 red and 3 white balls. A ball is drawn from the bag at random. The probability that the ball drawn is not black is
1/5
2/5
2/3
1/10
One ticket is drawn at random from a bag containing tickets numbered 1 to 40. The probability that the selected ticket has a number which is a multiple of 5 is
4/5
1/3
A girl calculates that the probability of her winning the first prize in a lottery is 0.08. If 6000 tickets are sold, how many tickets has she bought?
40
240
480
750
A card is accidently dropped from a pack of 52 playing cards. The probability that it is an ace is
1/13
1/26
1/52
12/13
The probability of getting a bad egg in a lot of 400 is 0.035. The number of bad eggs in the lot is
7
14
21
51
Which of the following cannot be the probability of an event.
0.1
3%
17/16
If an event cannot occur, then its probability is
1
3/4
1/2
0
A bag contains 5 red balls and some blue balls. If the probability of drawing a blue ball is double that of a red ball, then the no.of blue balls in the bag is
10
8
6
The probability of throwing a number greater than 2 with a fair dice is
When a die is thrown, the probability of getting an odd number less than 3 is.
1/6
