# RRB clerk Prelims Quantitative Aptitude Quiz – 1

## RRB clerk Prelims Quantitative Aptitude Quiz

Quantitative Aptitude is a very essential and scoring section of almost every competitive exam. Candidates appear to be having difficulty with Quantitative Aptitude Questions, so they need to practice more. To help you prepare better, we are providing you with the RRB Clerk Quantitative Aptitude Quiz. This RRB Clerk Quantitative Aptitude Quiz is based on the latest and updated pattern. Candidates will be furnished with a detailed explanation for each question in this RRB Clerk Quantitative Aptitude Quiz. This RRB Clerk Quantitative Aptitude Quiz includes all types of questions that are generally asked in exams. This RRB Clerk Quantitative Aptitude Quiz is absolutely free of cost. This RRB Clerk Quantitative Aptitude Quiz will assist aspirants in achieving a good score in their upcoming examination.

1. Raj can do a work in 6 days working 5 hours a day while Mihir do the same work in 4 days working 8 hour a day. If the work to be completed by them in 6 days, then find how many hours do, they need to work together in a day?

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2. A vessel contains 96ℓ of mixture of milk and water in the ratio of 5 : 3 respectively. If 24ℓ of mixture taken out and some quantity of milk and water added in the ratio of 3 : 5 so the new ratio of milk and water becomes 15 : 13. Find quantity of water added ?
(a) 12.5 ℓ
(b) 15 ℓ
(c) 25 ℓ
(d) 7.5 ℓ
(e) 30 ℓ

3. The ratio between length of two trains is 2 : 3 and speed of these two trains is 108 km/hr and 96 km/hr respectively. if smaller train cross a 360 m long platform in 16 sec, then find the time taken by both trains to cross each other running in same direction?
(a) 90 sec
(b) 84 sec
(c) 96 sec
(d) 108 sec
(e) 112 sec

4. Average age of A, B & C four years hence is 24 years and the ratio between age of B & C is 6 : 5. If age of A is 4 years less than that of C, then find average age of A & B two years hence will be?
(a) 17 years
(b) 19 years
(c) 21 years
(d) 20 years
(e) 22 years

5. A bag contains ‘a’ red ball, 5 green balls. One ball taken out at random, then probability of being red ball is 3/8. If two balls taken out at random from bag, then find probability of being both balls either red or green?

6. A policeman starts to chase a thief. When the thief goes 10 steps the policeman moves 8 steps and 5 steps of the policeman are equal to 7 steps of the thief. The ratio of the speeds of the policeman and the thief is:
(a) 25 : 28
(b) 25 : 26
(c) 28 : 25
(d) 56 : 25
(e) None of these

7. Stanic and Paul take a piece of work for Rs. 28,800. One alone could do it in 36 days, the other in 48 days. With the assistance of an expert, they finish it in 12 days. How much remuneration the expert should get?
(a) Rs. 10000
(b) Rs. 18000
(c) Rs. 16000
(d) Rs. 12000
(e) None of these

8. In an examination, a student scores 4 marks for every correct answer and losses 1 mark for every wrong answer. A student attempted all the 200 questions and scored in all 200 marks. The number of questions, he answered correctly was:
(a) 82
(b) 80
(c) 68
(d) 60
(e) None of these

9. The average monthly salary of 12 workers and 3 managers in a factory was 600. When one of the managers whose salary was 720, was replaced with a new manager, the average salary of the team went down to 580. What is the salary of the new manager?
(a) 320
(b) 350
(c) 450
(d) 420
(e) None of these

10. A sum of money invested for a certain number of years at 8% p.a. simple interest amounts to Rs.180. The same sum of money invested for the same number of years at 4% p.a. simple interest amounts to Rs.120 only. For how many years was the sum invested?
(a) 25 years
(b) 35 years
(c) 32 years
(d) 28 years
(e) None of these

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