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Arithmetic sum for RBI assistant mains 2020 by gkrecall


Arithmetic sum for RBI assistant mains 2020

1. The ratio of the speed of the boat and the speed of the river is 2:1. If the time taken in 105 km distance downstream is 10 hours less than the same distance traveled upstream then find out the speed of the boat.

A. 12 km/hr

B. 14 km/hr

C. 20 km/hr

D. 24 km/hr

2. The difference between the SI and CI compounded every six months at the rate of 30% per annum, at the end of 3/2 years is Rs. 5670. What is the sum ?

A. 80000

B. 40000

C. 60000

D. 50000

3. A dishonest milk maid mixed 1 litre of water for every 2.5 litres of milk and in this way he made 56 litres of milk. Find how much water should he add to get ratio of milk and water in the ratio of 5:3 ?

A. 5 l

B. 6 l

C. 8 l

D. 10 l

4. Dinesh’s monthly income is four times Sandeep’s monthly income. Sandeep’s monthly income is twenty five per cent more than Jyoti’s monthly income. Jyoti’s monthly income is Rs. 28,000. What is Dinesh’s monthly income?

A. 120000

B. 130000

C. 140000

D. 160000

5. A shopkeeper purchased A and B worth Rs. 25000. If he sold article A at a profit of 20% and article B at a loss of 10% and he earns an overall profit of Rs. 2000 in the whole transaction, then find the cost price (In Rs.) of the article which is sold at 20% profit.

A. 17000

B. 12000

C. 15000

D. 20000

6. Veena is as much older to Pooja as she is younger to Atharva. 11 years hence, the sum of age of Pooja, Veena and Atharva is 117 years. Find the age of Veena 2 years ago.

A. 26 years

B. 23 years

C. 25 years

D. 30 years

7. In an examination, the maximum aggregate marks is 1020. In order to pass the exam, a student is required to obtain 663 marks out of the aggregate marks. Shreya obtained 612 marks. By what percent did Shreya fail the exam with respect to maximum aggregate marks?

A. 3%

B. 4%

C. 5%

D. 10%

8. Pratap invested 25% more than Mohini. Mohini invested 15% less than Raghav. If the total sum of their investment is ₹ 1747500, how much amount did Raghav invest?

A. 60000

B. 600000

C. 50000

D. 500000

9. A reduction of 25% in the price of sugar enables me to purchase 10 kg more for Rs 750. Find the original price of the sugar?

A. 20/kg

B. 22/kg

C. 25/kg

D. 30/kg

10. A pipe ‘P’ can fill a tank in 12 minutes and another pipe ‘Q’ can fill it in 16 minutes. But the third pipe ‘R’ can empty it in 6 minutes. The first two pipes P and Q are kept open for 4 minutes in the beginning and then third pipe R is also opened. How long will take to empty the tank?

A. 25 minutes

B. 28 minutes

C. 30 minutes

D. 32 minutes


1. B
2. A
3. C
4. C
5. C
6. A
7. C
8. B
9. C
10. B