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
None of these
The probability of 3 coins falling all heads up when tossed simultaneously is
1/2
1/8
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
1/3
1
0
In a throw of dice, the probability of getting a prime number is
2
3/2
6
If a coin is tossed twice, the probability of getting at least one head is :
1/4
3/4
From a normal pack of cards,a card is drawn at random.The probability of getting a jack or a king is :
2/52
1/52
2/13
A and B are friends.What is the probability that both will have the different birthdays?
364/365
1/365
2/365
In a single throw of a dice, find the probability of getting a number is not greater than 2?
2/3
In a single throw of two dice, the probability of getting a sum of 10 is
1/12
The probability that a vowel selected at random in English language is an " i " is
1/5
1/26