Practice is the key to perfection in Quant, so brush up your skills and test yourself with these 15 questions of Quantitative Aptitude for IBPS RRB PO and Clerk 2017.

Directions (Q1 – Q5): find out the missing number in the following given series.

Q1. 7, 15,  ?, 88, 113, 329
(a)27
(b)25
(c) 24
(d) 31
(e) None of these

Q2. 14,     27,     82,     327,    1636,     ?
(a) 9916
(b) 9815
(c) 9906
(d) 9705
(e) 9601

Q3. 4, 11, 14, 24, ?, 60
(a) 45
(b) 35
(c) 37
(d) 40
(e) 38

Q5. 4, 21, 56, 115, 204, ?
(a) 319
(b) 327
(c) 323
(d) 329
(e) 339

Q6. Out of 13 applicants for a job, there are 5 women and 8 men. It is desired to select 2 persons for the job. What is the probability that at least one of the selected persons will be a woman?
(a) 25/39
(b) 14/35
(c) 5/13
(d) 10/13
(e) 1/2

Q7. The probability that a man can hit a target is ¾. He tries 5 times. What is the probability that he will hit the target at least three times?
(a) 291/364
(b) 371/464
(c) 471/502
(d) 459/512
(e) None of these

Q8. A bag contains 12 white and 18 black balls. Two balls are drawn in succession without replacement. What is the probability that first is white and second is black?
(a) 36/135
(b) 36/145
(c) 18/91
(d) 30/91
(e) None of these

Q9.A man wants to go abroad by ship and return by air. He has a choice of 4 different ships to go and 5 airlines to return. In how many ways, can the man perform his journey?
(a) 20
(b) 18
(c) 24
(d) 16
(e) None of these

Q10. If a 4-digit number is formed at random using the digits 1, 3, 5, 7 and 9 without repetition, then the probability that it is divisible by 5, is
(a) 4/5
(b) 3/5
(c) 1/6
(d) 2/3
(e) 1/5

Q11. For a group photograph, 3 boys and 4 girls stand in a line in all possible ways. How many photos could be taken if each photo corresponds to each such arrangement?
(a) 2656
(b) 6600
(c) 3540
(d) 5040
(e) 5130

Q12. Out of 8 men and 5 women, a committee of 5 is to be formed. Find the number of ways in which this can be done so as to include at least 3 women.
(a) 328
(b) 326
(c) 324
(d) 322
(e) None of these

Q13. The number of 3-digit numbers which can be formed from the digit 1, 2, 3, 4 and 5 if repetition of digits is allowed, is
(a) 15
(b) 125
(c) 5!
(d) 3!
(e) None of these
Q14. Find the number of ways of arranging 6 boys and 4 girls in a row so that all the girls sit together.
(a) 7! × 4!
(b) 7 × 4!
(c) 7! × 4
(d) 7! × 4! × 2!
(e) None of these

Q15. If 4 whole numbers are taken at random and multiplied together, what is the chance that the last digit in the product is 1, 3, 7 or 9?
(a) 15/653
(b) 12/542
(c) 16/625
(d) 17/625
(e) None of these

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