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# IBPS RRB 2019 Prelims Quantitative Aptitude: PO/Clerk | 1st August

IBPS RRB Quantitative Aptitude Quiz

The Quantitative Aptitude section holds the key to score well in any examination. It can either elevate your marks to a great degree or can affect the performance in a negative way. But if you are consistent with the practice and brush up the knowledge with correct strategy you can surely ace this section. Adda247 has facilitated its aspirants with the Quizzes, Study Notes, and the preparation strategies from time to time. This time keeping the focus on the upcoming IBPS RRB Prelims exam, Adda247 has prepared the ‘LAKSHYA’ study plan and under that, we are providing a Quantitative quiz on a regular basis.

Here is the quiz for 1st August 2019 covering the topics of Mixed Graph DI, Boat And Stream, Problem On Trains, Number Series.

Directions (1-5): What will come at the place of question mark?

Q1. 92, 117, 217, 442, 842, ?

1367
1397
1457
1467
1497
Solution:

Q2. ?, 212, 339, 508, 725, 996

120
121
116
115
125
Solution:

Q3. 4, 6, 9, 13.5, 20.25, ?

30.375
30.275
29.375
32.375
32.275
Solution:

Q4. 81, ? , 155, 276, 445, 734

105
104
106
110
112
Solution:

Q5. 5986, 2996, 1502, 756, ? , 199

264
284
354
374
384
Solution:

Q6. Ratio of speed of faster train to slower train is 9 : 7 and length of two trains is 120 m and 180 m respectively. If both train increased their respective speed by 25% then cross each other in 36 sec running in same direction, then find in what time both trains cross each other running in opposite direction with their usual speed ?

Solution:

Let speed of
faster train be 9x
m/s and speed of slower train be 7x m/s when both train increased their speed by 25%

New speed of faster train

Q7. Speed of boat in still water is 3 times the speed of boat in upstream and it is also known that it travels 15 km upstream in 6 hrs. Then, find the time required by it to reach a point which is 50 kms away downstream.

9 hours
5 hours
4 hours
12 hours
10 hours
Solution:

Let the speed of boat in upstream be x km/hr and the speed of boat in Stillwater be ‘3x’ km/hr and speed of stream be y km/hr.

Q8. A man swimming at 75 percent of his usual speed in still water can covers 128 km in 8 hours in downstream. In the return journey he swims at 50% of his usual speed in still water and take 32 hours. Speed of man in still water is what percent more than speed of stream?

100%
200%
300%
400%
500%
Solution:

Q9. Speed of train A and B is in the ratio 2 : 3. Train A & B starts moving in opposite directions between station X and station Y respectively. Station X is 288 km away from station Y. After running for 2.4 hours, both trains meets each other. Then, Find the distance between station X and the point where both trains met each other.

130 km
120 km
115.2 km
110.8 km
111.4 km
Solution:

Q10. A lighthouse is situated 30 km away from the shore. If ratio of time taken by boat to reach lighthouse during upstream and during downstream is 2 : 1, then find the ratio of speed of the boat to the speed of the stream.

1 : 3
3 : 1
5 : 3
3 : 5
4 : 7
Solution:

Let speed of the boat be ‘a’ km/hr and speed of stream be ‘b’ km/hr.
And let time taken by boat to reach lighthouse during upstream  and during  downstream be ‘2x’ & ‘x’ respectively.

Directions (11-15): Study the following pie chart and table carefully and answer the questions based on them.
Percentage of people in New Delhi working in Night Shifts from various industrial fields
Note: Total people working in night shift in Banking are 5635 in number.

Q11. Find the ratio of number of male working from manufacturing industry to female working from Banking industry in night shift.

2 : 3
3 : 2
17 : 7
1 : 2
5 : 2
Solution:

Q12. Females working in night shift in Sales industry are what percent of males working in night shifts in Gaming industry?

Solution:

Q13. Find the total number of male from call centers, females from Gaming and males from Banking industry together who work in night shifts ?

11614
11814
11714
11914
11818
Solution:

Q14. 50% females working in night shifts in IT industry left the job and joined the Manufacturing industry in same shift. Find the difference in the new number of females in the two industries.

966
483
865
1932
432
Solution:

Q15. Males working in Banking industry are by what percent more or less than that in IT?

21% less
25% more
18% more
12.5% less
23% more
Solution:

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