WorksheetsAptitude Quiz-9 (Probability)
Total questions: 10
Worksheet time: 10mins
A problem is given to three students whose chances of solving it are 1/2, 1/3 and 1/4 respectively. What is the probability that the problem will
1/4
1/2
3/4
7/12
A bag contains 6 white and 4 black balls .2 balls are drawn at random. Find the probability that they are of same colour.
1/2
7/15
8/15
1/9
Two cards are drawn at random from a pack of 52 cards.what is the probability that either both are black or both are queen?
52/221
55/190
55/221
19/221
Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?
1/2
3/5
9/20
8/15
A letter is takenout at random from 'ASSISTANT' and another is taken out from 'STATISTICS'. The probability that they are the same letter is :
35/96
19/90
19/96
None of these
Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even?
3/4
3/8
5/16
2/7
In a single throw of two dice , find the probability that neither a doublet nor a total of 8 will appear.
7/15
5/18
13/18
3/16
There are four hotels in a town. If 3 men check into the hotels in a day then what is the probability that each checks into a different hotel?
1/2
3/4
4/7
3/8
If two letters are taken at random from the word HOME, what is the probability that none of the letters would be vowels?
1/6
1/2
1/3
1/4
In a race, the odd favour of cars P,Q,R,S are 1:3, 1:4, 1:5 and 1:6 respectively. Find the probability that one of them wins the race.
319/420
27/211
114/121
231/420
