IBPS RRB 2019 Prelims Quantitative Aptitude: PO/Clerk | 30th June

IBPS RRB Quantitative Aptitude Quiz

Q1. Viplav calculates his profit percentage on the selling price whereas Rehan calculates his profit on the cost price. They find that the difference of their profits is Rs. 275. If the selling price for both of them is same, and Viplav gets 25% profit and Rehan gets 15% profit, then find their selling price.

Solution:

Q2. A retailer purchased radio sets at the rate of Rs. 400 each from a wholesaler. He marked up the price by 30% and allowed a discount of 8% on each set. Then find the profit percentage?

Solution:

Q3. A person bought some articles at the rate of 5 per rupee and the same number at the rate of 4 per rupee. He mixed both the types and sold at the rate of 9 for 2 rupees. In this business he suffered a loss of Rs. 3. The total number of articles bought by him was

Solution:

Q4. Nikita bought 30 kg of wheat at the rate of Rs. 9.50 per kg and the same amount of another type of wheat at the rate of Rs. 8.50 per kg and mixed them. She sold the mixture at the rate of Rs. 8.90 per kg. Her total profit or loss in the transaction was:

Solution:

Q5. A book seller purchased 120 exercise books at the rate of Rs. 3 each and sold 1/3 of them at the rate of Rs. 4 each, ½ of them at the rate of Rs. 5 each and the rest at the cost price. Then find the total profit percent of book seller?

 

Solution:

Q6. The ratio of milk and water in mixture of four containers are 5 : 3, 2 : 1, 3 : 2 and 7 : 4 respectively. In which container is the quantity of milk relative to water is minimum ?

Solution:

Let four containers have 8ℓ, 3ℓ, 5ℓ and 11ℓ mixture of milk and water respectively.

∴ Relative quantities of milk with respect to water in four containers
 

Q7. The ratio of water and wine in two different containers is 2 : 3 and 4 : 5 respectively. In what ratio we are required to mix the mixture of two containers in order to get the new mixture in which the ratio of wine and water be 7 : 5 ?

Solution:

Q8. In what ratio should two qualities of coffee powder having the rates of Rs. 47 per kg and Rs. 32 per kg be mixed in order to get a mixture that would have a rate of Rs. 37 per kg ?

Solution:

Q9. What will be the ratio of petrol and kerosene in the final solution formed by mixing petrol and kerosene that are present in three same capacity of vessels in the ratio 4 : 1, 5 : 2 and 6 : 1 respectively ?

Solution:

Q10. In a vessel there is a certain quantity of mixture of milk and water in the ratio 5 : 1 respectively. 24 litres of mixture is taken out and same quantity of milk is added to the vessel. The ratio of milk and water now becomes 13 : 2 respectively. Again 15 litres of mixture is taken out. What is the quantity of milk in the resulting mixture? (in litres)

Solution:

Directions (11-15): Simplify the following questions.

Q11.

Solution:

Q12.

Q13. 48 + 8 × 0.75 – 5 = ?

Q14. 18.657 – 7.549 – 4.111 – 1.630 = ?

Q15. 2950 ÷ 12.5 + 160 = ?

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