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
1/6
0
The probability of getting an even number when a die is rolled is
1/36
1/2
None of these
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 same birthdays?
364/365
1/365
2/365
In a single throw of two dice, the probability of getting a sum of 10 is
1/12
The probability of getting a number greater than 2 or an even number in a single throw of a fair dice is
2/3
5/6
When two dice are thrown, the probability of getting a number always greater than 4 on the second dice is
Two numbers are chosen from 1 to 5.The probability for the two numbers to be consecutive is
1/5
2/5
1/10
2/10
In a throw of dice, the probability of getting a prime number is
2
3/2
6
The probability for a randomly selected number out of 1,2,3,4, -----, 25 to be a prime number is
2/25
23/25
10/25
9/25