## Probability Questions with Answers quantitative aptitude probability question tricks shortcuts

### Quantitative Aptitude Probability Problems with Solutions:

Q1: Two dice are thrown simultaneously. Find the probability of getting a multiple of two  on one dice and multiple of three on the other dice.

(a) 12/36
(b) 15/36
(c) 11/36
(d) 23/36

Q2: Set P = {2,3,4,5}and Set Q = {4,5,6,7,8} Two integers will be randomly selected from the sets above, one integer from Set P and one integer from Set Q. What is the probability that the sum of the two integers will equal nine?

(a) 0.50
(b) 0.20
(c) 0.46
(d) 1.25

Q3: If P is chosen at random from the set {1,2,3,4} and Q is to be chosen at random from the set {5,6,7}. What is the probability that PQ will be even?

(a) 2/3
(b) 4/5
(c) 3/4
(d) 3/2

Q4: The probability of success of three candidates P, Q & R in the one competitive exam are 1/5, 1/4 & 1/3. Find the probability of success of at least two.

(a) 1/4
(b) 2/3
(c) 7/9
(d) 1/6

Q5: Two cards are drawn from a pack of well shuffled cards. Find the probability that one is a club and other in King.

(a) 1/26
(b) 3/5
(c) 7/8
(d) 5/6

Q6: A bag contains five red and three green pens and another bag contains four red and six green pens. If one pen is drawn from each bag, find the probability that one pen is red and one pen is green.

(a) 21/50
(b) 30/45
(c) 21/40
(d) 22/50

Q7: Four dice are thrown simultaneously ans find the probability that all of them show the same face.

(a) 2/204
(b) 1/216
(c) 4/216
(d) 5/204

Q8: One pen is picked up randomly from a bag containing 8 yellow, 7 blue and 6 black pens. What is the probability that it is neither yellow nor black pen?

(a) 15
(b) 18
(c) 13
(d) 11

Q9: The probability P getting a job is 1/5 and that of Q is 1/7 . What is the probability that only one of them gets a job?

(a) 1135
(b) 1252
(c) 1452
(d) 1147

Q10: What is the probability of selecting a prime number from 1,2,3,... 10 ?

(a) 30
(b) 24
(c) 40
(d) 25

Q1: (c)
Q2: (b)
Q3: (a)
Q4: (d)
Q5: (a)
Q6: (c)
Q7: (b)
Q8: (c)
Q9: (a)
Q10:(d)