Nine playing cards are numbered 2 to 10 .A card is selected from them at random. probability that the card will be a multiple of 4 is
1/9
2/9
2/10
1/10
The probability of getting at least one tail in 4 throws of a coin is
15/26
15/16
1/4
1/8
If two coins are tossed once. What is the probability of getting at least one head?
2/4
3/4
1
In a box,there are 8 red,7 blue and 6 green balls .One ball is picked up randomly.What is the probability that it neither red nor green .
7/19
1/3
8/21
Total probability of an event =
0
0.5
0.75
There are four letters and four envelopes ,then the probability for all the letters not despatching in the right envelope is
19/24
21/23
23/24
25/26
A bag contains 20 coloured balls.8 are red,6 are blue,3 are green,2 are white and 1 is brown.A ball is chosen atrandom from the bag.What is the probability that the ball chosen is blue or red?
6/20
8/20
14/20
Two dice are thrown simultaneously ,then the probability of getting an even number as the sum is
1/2
1/7
What is the probability of getting a sum 9 from two throws of a disc ?
1/6
1/12
The probability that a leap year will contain 53 Sundays is
5/7
4/7
2/7
