In a single throw of two dice, the probability of getting a sum of 10 is
1/12
1/36
1/6
None of these
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 class of 15 children ,3 of them speak Hindi at home. What is the probability that a randomly selected child speaks Hindi at home ?
1/9
1/5
1/2
A book containing 100 pages is opened at random.The probability that a doublet page is found as :
9/100
90/100
10/100
20/100
If a coin is tossed twice, the probability of getting at least one head is :
1/4
3/4
When two dice are thrown, the probability of getting a number always greater than 4 on the second dice is
The probability that a vowel selected at random in English language is an " i " is
1/26
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
1/100
2/100
When two dice are thrown the probability of getting equal numbers is :
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
