IBPS RRB Mains Quantitative Aptitude Quiz 18 September 2019

IBPS RRB PO/Clerk Quantitative Quiz

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Q2. A train travelling at 144 km/hr crosses another train, having 30 meter less length and travelling in opposite direction at 126 km/hr in 6 seconds. If longer train cross a railway platform in 20 second then find smaller train will cross same platform in how many seconds?
(a) 22 seconds
(b) 24 seconds
(c) 28 seconds
(d) 32 seconds
(e) 30 seconds

Q3. Train A running at the speed of 108 km/hr crosses a man, who running in the opposite direction at the speed of 12 km/hr in 7.2 sec. If speed of train A increased by 25% and it takes 48 seconds to cross another train B, which running at the speed of 90 km/hr in same direction. Find the length of train B?
(a) 280 meters
(b) 360 meters
(c) 180 meters
(d) 160 meters
(e) 220 meters

Q5. Length of two trains is 210 meters and 240 meters respectively. The ratio between the speed of longer train to smaller train is 3 : 4 and both cross each other in 90/7 sec, when running in opposite direction. If length of each compartment is x meters and two more compartments are added in smaller train, both trains cross each other in 96 sec running in the same direction. Find length of each compartment?
(a) 15 m
(b) 12 m
(c) 18 m
(d) 16 m
(e) 20 m

Q6. In a corridor there are some Male, some female and some children are sitting for debate program. The probability of calling one male on stage is 3/10 and the probability of calling one child on stage is 2/5. If total number of female in corridor is 6 then find number of male and child in corridor?
(a) 4 & 6
(b) 6 & 8
(c) 8 & 10
(d) 2 & 12
(e) 3 & 15

Q7. 48 gm zinc is mixed in a container, which contain 120 gm copper. 42 gm mixture from container taken out and some quantity of zinc and copper is mixed in the ratio of 2 : 1. If in the resulting mixture ratio of copper and zinc is 11 : 6, then find what quantity of zinc was added?
(a) 14 gm
(b) 12 gm
(c) 10 gm
(d) 16 gm
(e) 18 gm

Q8. Four year ago age of Deepak mother’s was two times more than age of Deepak and present age of Deepak father’s is 16 years more than average of present age of Deepak and his mother’s present age. If total present age of all three is 112 years. Then find the ratio between age of Deepak and his father?
(a) 5 : 8
(b) 2 : 7
(c) 3 : 8
(d) 3 : 5
(e) 1 : 7

Directions (11-15): Following pie charts show the percentage distribution of males and females in five companies. Study the charts carefully to answer the questions that follow.

Q11. If ratio of between number of females to number of males in company B is 32 : 45 then number of males in company E is what percent more than the number of females in company C.(approx.)
(a)53%
(b)62%
(c)65%
(d)80%
(e)75%

Q12. If the average of total male and females of all the company together is 21000 and difference between male to female in company C is 320(no. of males > no. of females) then find the total females in company A.
(a) 3422
(b)3500
(c) 3420
(d) 2000
(e) 3600

Q13. Find the average of number of males in company D and company C and females in company B if ratio of total number of males to total number of females is 3:2 and number of males in the company D is 3900.
(a) 2500
(b) 1500
(c) 1600
(d) 1700
(e) 2600

Q14. If ratio between total females to total males is x³ : (x + 1)² (x is a whole number), then find the minimum possible value of x, given that number of males in company A is 25% more than the number of females in the same company.
(a) 4
(b) 1
(c) 6
(d) 3
(e) 2

Q15. Ratio between average of number of male of company A, B and C to the average of number of females of company A, B and E is 51 : 65 then total females are how much percent more than total males.
(a) 8.45%
(b) 7.34%
(c) 7.14%
(d) 8.33%
(e) 9.33%