The probability of 3 coins falling all heads up when tossed simultaneously is:
1/2
1/6
1/8
1/10
The probability of getting an even number when a die is rolled is:
1/36
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
A and B are friends.What is the probability that both will have the different birthdays?
364/365
1/365
2/365
3/365
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
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
4/2
The probability that a vowel selected at random in English language is an " i " is:
1/5
1/26
1/4
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
In a single throw of a dice, find the probability of getting a number which is not greater than 2?