IBPS RRB PO/Clerk Mains Quantitative Aptitude Quiz: 30th August 2019

The following graph shows the percentage distribution of students admitted in different schools in 2010 – 2011


                            Total number of students admitted in 2010–2011 = 20,000

   

 

The above graph shows the percentage distribution of boys and girls in different schools. (in per cent)

Q1. What is the total number of girls having taken admission in MPPS? 
(a) 1664
(b) 1536
(c) 1648
(d) 1694
(e) None of these

Q2. The number of boys in GNAV is approximately what per cent of the number of girls in APS?
(a) 45.66%
(b) 80.16%
(c) 35.50%
(d) 51.33%
(e) 56.83%

Q3. What is the total number of boys admitted in all the schools in 2010–2011 ? 
(a) 10,004
(b) 9,766
(c) 10,234
(d) 11,405
(e) 10534

Q4. The total number of boys taking admission in all schools is approximately what per cent more than the total number of girls taking admission in all schools in 2010 – 2011?
(a) 4.80%
(b) 4.50%
(c) 4.90%
(d) 5.04%
(e) 5.20%

Q5. The number of girls who have taken admission in MPPS is how many times the number of boys who have taken admission in GNAV?
(a) 0.625
(b) 1.50
(c) 1.60
(d) 0.98
(e) 1.20

Q6. A box contains 2 blue caps, 4 red caps, 5 green caps and 1 yellow cap,  If one cap is picked at random, what is the probability that it is either blue or yellow ? 

Q7. A bag contains 5 red, 7 yellow and 6 green balls. 3 balls are drawn randomly. What is the probability that the balls drawn contain balls of different colours ?
(a) 35/138
(b) 35/136
(c) 35/134
(d) 35/163
(e) None of these


Q8. In a box carrying 1 dozen of mangoes one-third have become bad. If 3 mangoes are taken out from the box at random, what is the probability that at least one mango out of the three mangoes picked up is good? 


Q9. In how many ways can a committee of 5 members be made out of 6 men and 4 women containing atleast one woman?
(a) 246
(b) 222
(c) 186
(d) 286
(e) 256

Q10. Everybody in a room shakes hands with everyone else. If total number of hand-shakes is 66, then number of persons in the room is
(a) 11
(b) 12
(c) 13
(d) 14
(e) 17

Q11. How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, which are divisible by 5 and none of the digits is repeated?
(a) 5
(b) 10
(c) 15
(d) 20
(e) None of these

Directions (12-15): In the following number series only one number is wrong. Find out the wrong number.
Q12. 9050, 5675, 3478, 2147, 1418, 1077, 950
(a) 950
(b) 1418
(c) 5675
(d) 2147
(e) 1077


S12. Ans.(e)
Sol.
The pattern of the number series is :
9050 – 153 = 9050 – 3375 = 5675
5675- 133 = 5675 – 2197 = 3478
3478 – 113 = 3478 – 1331 = 2147
2147 – 93 = 2147 – 729 = 1418
1418 – 73 = 1418 – 343 = 1075 not 1077
1075 – 53  =950
Wrong number=1077

Q13. 1, 4, 25, 256, 3125, 46656, 823543
(a) 4
(b) 823543
(c) 46656
(d) 25
(e) 256

S13. Ans.(d)
Sol.  The pattern of the number series is :
12 = 1
22 = 4
33 = 27 not 25
44 = 256
55 = 3125
66 = 46656
77 =823543
Wrong number=25

Q15. 4.5    16    25    33    38.5    42    43.5
(a) 33
(b) 38.5
(c) 42
(d) 43.5
(e) 25

S15. Ans.(e) 
Sol. The pattern of the number series is :
4.5 + 11.5 = 16
16 + 9.5 = 25.5, not 25
25.5 + 7.5 = 33
33 + 5.5 = 38.5
38.5+3.5=42
42+1.5=43.5
Wrong number=25

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