Out of 40 consecutive natural numbers, two are chosen at random, then the probability that the sum of these numbers is odd, is
A bag contains 5 white, 7 black and 4 red balls. Three balls are drawn from the bag at random, then the probability that all the three balls are white, is
The probability that in the toss of two dice, we obtain the sum 7 or 11, is
1/6
1/18
2/9
23/108
One card is drawn from a pack of 52 cards each of the 52 cards being equally likely to be drawn, then the probability that the card drawn is an ace is
A drawer contains 50 bolts and 150 nuts, half of the bolts and half of the nuts are rusted if one item is chosen at random, then the probability that it is rusted or a bolt
A bag contains 5 brown and 4 white socks. A man pulls out two socks. The probability that both the socks are of the same color is
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
2/10
1/10
Suppose an outcome A occurs m times out of n equally likely outcomes in an experiment.Then odds in favour of A =
n/m
m/n
(n-m)/m
m/(n-m)
What is the probability of getting a head while tossing a coin
1/2
1
2
0
What is the resulting sample space if one coin is tossed
{H,H}
{T,T}
{H,T}