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
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 at random from the bag.What is the probability that the ball chosen is blue or red?
6/20
8/20
14/20
1
If A and B are two independent events then the value of P(A/B) is
0
P(A)
P(B)
The probability of getting at least one tail in 4 throws of a coin is
15/26
15/16
1/4
1/8
What is the probability of getting a sum 9 from two throws of a disc ?
1/6
1/12
A bag contains 6 black and 8 white balls .One ball is drawn at random .What is the probability that the ball drawn is white ?
3/4
4/7
3/7
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
3/9
5/9
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
If P(B)= 3/4 ,
1/15
If two coins are tossed once. What is the probability of getting at least one head?
2/4