RRB 2020 10 imp questions

1) In an election between two candidates, 25 % of the voters didn’t vote and 160 

votes are declared invalid. The winner gets 39 % of the votes and declared win by 

310 votes. Then find the number of voters in the voting list?

a) 6000

b) 4500

c) 5000

d) 6500

e) None of these

2) The difference between simple interest and compound interest accrued on an 

amount of Rs. 34000 at the end of two years is Rs. 217.6. Find the sum (approx)?

a) 8

b) 12

c) 10

d) 15

e) None of these

3) P, Q and R invested in the ratio of 4: 7: 9. After 6 months, P invested Rs. 5000 

more and after 2 months, R withdraws Rs. 7500. Find the initial investment of Q, if 

the share of P, Q and R is in the ratio of 17: 28: 35?

a) Rs. 70000

b) Rs. 35000

c) Rs. 48000

d) Rs. 66000

e) None of these

4) A man rows to a place 120 km distance and come back in 8 hours. He finds that he 

can row 20 km with the stream in the same time as 12 km against the stream. The 

rate of the stream is?

a) 12 km/hr

b) 8 km/hr

c) 10 km/hr

d) 16 km/hr 

6) P, Q and R started a business by investing Rs. 45000, 58000 and 64000 

respectively. After one year, P withdraws Rs. 5000 and Q invested Rs. 7000 more. 

And after another one more year, R withdraws Rs. 14000. If the total profit at the 

end of 3 year is Rs. 265140, then find the share of Q?

a) Rs. 95640

b) Rs. 101520

c) Rs. 86180

d) Rs. 113270

e) None of these

7) An aero plane which flies at the speed of 676 km/hr in 6 hours. To cover the same 

distance in 4 hours, it would flies at the speed of?

a) 1014 Km/hr

b) 986 Km/hr

c) 828 Km/hr

d) 1120 Km/hr

e) None of these

8) 250 m long train running at the speed of 50 Km/hr. Find the time taken by the 

train to cross a man standing on the platform of length 300 m?

a) 24 (2/5) sec

b) 22 (1/5) sec

c) 26 (4/5) sec

d) 39 (3/5) sec

e) None of these

9) 5 years ago, the ratio of ages of Raghav and Shyam is 5: 4. The ratio of ages of 

Raghav 3 years after and that of Shyam 4 years ago is 11: 7. Mahesh is 7 years elder 

than Shyam. Find the present age of Mahesh?

a) 28 years

b) 32 years

c) 35 years

d) 26 years