If two coins are tossed once. What is the probability of getting at least one head?
1/4
2/4
3/4
1
Three houses are available in a locality .Three persons apply for the houses .Each applies for one house with out consulting the others.The probability that all three apply for the same house is
2/9
3/9
5/9
1/9
Ticket numbered 1 to 20 are mixed up and then a ticket is drawn at random .What is the probability that the ticket drawn has a number which is a multiple of 3 or 5 ?
1/2
2/5
8/15
9/20
The probability of getting at least one tail in 4 throws of a coin is
15/26
15/16
1/8
Three unbiased coins are tossed what is the probability of getting at most two heads?
3/8
7/8
The probability that a leap year will contain 53 Sundays is
5/7
4/7
2/7
1/7
If A and B are two independent events then the value of P(A/B) is
0
P(A)
P(B)
From a pack of 52 cards, two cards are drawn together at random .What is the probability of both the cards being kings ?
1/15
25/57
35/256
1/221
One card is drawn at random from a pack of 52 cards .What is the probability that the cards drawn is a face card (Jack, Queen , and King only ?
1/13
3/13
9/52
In a school of 50 students there are 35 girls and rest are boys.Then the probability that a selected student will be a boy is
3/10
1/5
7/5
4/5