Q3. If three coins are tossed simultaneously, find the probability of getting minimum 2 head at a time.
(a) 1/2
(b) 3/8
(c) 5/8
(d) 3/4
(e) 7/8
Q4. Bag-A contains 6 blue balls, 7 red balls and 2 green balls and Bag-B contains 5 blue balls, x red balls and 2 green balls. A bag is chosen randomly and two balls are taken out from it randomly, then the probability of getting two red balls is 2/15. Find number of red balls in Bag-B.
(a) 2
(b) 5
(c) 1
(d) 4
(e) None of the above.
Directions (6-10): Find what will come in place of (?) in the following questions.
Q6. 64, 93, ?, 207, 320, 489, 728
(a) 156
(b) 136
(c) 146
(d) 126
(e) 116
Q7. 14000, ?, 8820, 9702, 12612.6, 18918.9
(a) 7000
(b) 9800
(c) 10800
(d) 12460
(e) none of these
Q8. 8, 3, 3.5, 7.5, 23, ?
(a) 128
(b) 112
(c) 98
(d) 164
(e) 108
S8. Ans.(e)
Sol. Pattern is→
8 × 0.25 + 1 = 3
3 × 0.5 + 2 = 3.5
3.5 × 1 + 4 = 7.5
Q9. 4, 21, 43, 90, 262, ?, 4981
(a) 1059
(b) 2421
(c) 524
(d) 1048
(e) 1969
Q10. 30, 45, 72, 126, 252, 630, ?
(a) 2205
(b) 1890
(c) 2835
(d) 1575
(e) 2520
Q11. Find the number of 7-digit numbers which can be formed by using all digits 6,5,4,5,3,4,3 only once such that the odd digits occupy odd places only?
(a) 24
(b) 15
(c) 18
(d) 20
(e) 30
Q12. How many 5-digit numbers can be formed which contain only one times the digit ‘3’.
(a) 25,842
(b) 29,889
(c) 26,729
(d) 26,889
(e) 29,349
Q13. Find the number of ways in which letters of the word “ASSURANCE” is arranged such that both S are together, and all vowels are together?
(a) 1440
(b) 1680
(c) 1640
(d) 1260
(e) 1480
Q15. How many odd numbers of 5 digits can be formed using all the digits from 0 to 9 if repetition of digits is allowed?
(a) 40,000
(b) 54,000
(c) 45,000
(d) 48,000
(e) 63,000
If you want to study Quantitative Aptitude for IBPS PO Prelims then you can also check out the video given below:
- Quantitative Aptitude Study Notes for Bank Exams
- Quantitative Aptitude Questions for all Competitive Exams