Q1
Q1 If two dice are thrown simultaneously, then find the probability that the sum of numbers appeared on the dice is 6 or 7?
5/6
7/36
5/36
11/36
Q2
Q2 Out of 17 applicants, there are 8 boys and 9 girls. Two persons are to be selected for the job. Find the probability that at least one of the selected persons will be a girl.
25/34
19/34
21/34
27/34
Q3
Q3 In a race where 12 cars are running, the chance that car X will win is 1/6, that Y will win is 1/10 and that Z will win is 1/8. Assuming that a dead heat is impossible, find the chance that one of them will win.
1/140
1/180
27/410
47/120
Q4
Q4 The probability that Alex will solve a problem is 1/5. What is the probability that he solves at least one problem out of 4 problems?
64/125
256/625
64/625
369/625
Q5
Q5 In his room, Dumbo has three trousers. One of them is black, the second is blue, and the third is brown. In his room, he also has four shirts. One of them is black and the other 3 are white. He opens his room in the dark and picks out one shirt and one trouser pair without examining the colour. What is the likelihood that neither the shirt nor the trouser is black?
1/12
1/6
1/2
1/4
Q6
Q6 Two dice are thrown together. What is the probability that the sum of the number on the two faces is divisible by 4?
2/9
1/9
1/4
1/3
Q7
Q7 Two dice are thrown together. What is the probability that the sum of the number is even ?
1/2
1/4
1
1/6
Q8
Q8 Two dice are thrown together. What is the probability that the Product of the number is odd ?
1/2
1/4
1
1/6
Q9
Q9 A bag contains 5 red and 3 green balls. Another bag contains 4 red and 6 green balls. If one ball is drawn from each bag. Find the probability that one ball is red and one is green.
19/20
17/20
21/40
8/10
Q10
Q10 In a charity show, tickets numbered consecutively from 101 through 350 are placed in a box. What is the probability that a ticket selected at random (blindly) will have a number with a hundredth digit of 2?
0.285
2/5
99/225
47/205
Practice Probability Questions & Answers
The more questions a candidate answers, the better their understanding of the Probability concepts and their ability to answer quickly and accurately.
Importance: Medium
Difficulty level: 3 out of 5 (Normal)
Examination- SSC, Banking, GMAT, GRE, SAT, CAT, etc.
Parent section: Quantitative Aptitude
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