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QUANT PRACTICE SET 4 FOR RRB PO & CLERK PRELIM 2020

QUANT PRACTICE SET 4 FOR RRB PO & CLERK PRELIM 2020




RRB Clerk and RRB PO Prelims exam are going to be held in the upcoming months. We have already provided you with the PDFs of many topics of Quantitative Aptitude like Simplification/Approximation, Number Series,datainterpretation.important Arithmetic questions to prepare for RRB Clerk and PO Pre exam. Practicing these questions will help you to know about the level of the questions. To increase your speed and accuracy, enhance your calculations.

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Directions(1-5): There is a total of 300 employees and each employee is associated with at least one department among HR, Marketing and Sales. 10% of employees are associated with only Sales ,20% of employees are associated with only Marketing , 30 % of employees are associated with only HR. 10 % of employees are associated with HR and Sales but not marketing. 15 % of employees are associated with Sales and Marketing but not HR. 10 % of employees are associated with all the departments.



Total number of employees in Marketing Department are?



1.  150

2.  160

3.  170
4.  180
5.  175

2.Total number of employees in Sales department are?

1.  135
2.  145
3.  165
4.  138
5.  None of these

3. Ratio of the number of employees working in only Marketing to the number of employee working in both Sales and HR but not marketing?

1.  2:1
2.  1:2
3.  4:3
4.  3:4
5.  10:12

4.The number of employee working in both Marketing and HR but not Sales are?

1.  25
2.  30
3.  35
4.  15
5.  40

5. The number of employees working in at least 2 departments are?

1.  120
2.  150
3.  180
4.  210
5.  90

6. List price of article at showroom is Rs 2000 and it is being sold at successive discounts of 20% and 10%. Its net selling price will be?

1.  1440
2.  1450
3.  1540
4.  1650
5.  1800

7. Ankur started a business with Rs 21000 and is joined afterward by Bhawna with Rs 36000. After how many months did Bhawna joined if the profit at the end of the year is divided equally?

1.  6
2.  5
3.  4
4.  7
5.  8

8.12 men complete a work in 9 days. After they have worked for 6 days, 6 more men join them. How many days will they take to complete the remaining work?

1.  5
2.  6
3.  4
4.  3
5.  2

9. A merchant has 100 kg of sugar part of which he sells at 8 % profit and the rest at 18% profit . He gains 14% on the whole. The quantity sold at 18 % profit is?

1.  600 kg
2.  400 kg
3.  450 kg
4.  475 kg
5.  550 kg

10. Sum of the upstream and downstream speed of the boat is 64 km/hr. Speed of the boat in still water is 60% more than the speed of upstream. If the boat covers total 96 km upstream and 198 km downstream then find the total time taken by the boat?

1.  9.3 hours
2.  9.2 hours
3.  9.1 hours
4.  8.5 hours
5.  8.8 hours

                      SOLUTIONS

1.Answer – 1) 150


2.Answer – 1) 135

3.Answer – 1) 2:1

4.Answer – 4) 15

5.Answer – 1) 120

6.Answer – 1) 1440
Solution
S.P = Rs (90/100 x 80/100 x 2000) = 1440

7.Answer – 2) 5
Solution
21000 x 12 = 36000 x (12-x)
X = 5

8.Answer – 5) 2
Solution
1 men 1 day = 1/108
12 men 6 days work = 2/3
18 men 1 day work = 1/6
1/3 work done by them in 6 x 1/3 = 2 days

9.


10.Answer -1) 9.3 hours
Solution
Speed of the boat in Still water = 64/2 = 32 km/hr
Upstream speed = 32 x 100/160 = 20 km/hr
Downstream speed = 64 -20 = 44 km/hr
Therefore total time taken by boat = 96/20 + 198/44 = 9.3 hours