Two dice are thrown at a time.The probability that the difference of the numbers shown on the dice is 1 is:
5/18
1/36
1/6
1/4
The probability that in a family of 3 children, there will be at least one boy is:
7/8
1/8
4/8
6/8
A and B are friends.What is the probability that both will have same birthdays?
364/365
1/365
2/365
3/365
A card is drawn from a packet of 100 cards numbered 1 to 100.The probability of drawing a number which is a square is:
1/10
9/100
1/100
2/100
When two dice are thrown, the probability of getting a number always greater than 4 on the second dice is:
1/3
1/30
In a single throw of a dice, find the probability of getting a number which is not greater than 2?
1/2
2/3
Three letters, to each of which corresponds an addressed envelope are placed in the envelopes at random.The probability that all letters are placed in the right envelopes is:
1
0
If a coin is tossed twice, the probability of getting at least one head is :
3/4
2/4
In a throw of dice, the probability of getting a prime number is:
2
3/2
6
A bag contains 3 white and 5 red balls.If a ball is drawn at random,the probability that the drawn ball to red is :
3/8
5/8
3/15
5/15