SBI CLERK Mains Quantitative Aptitude Quiz: 2nd July

Q1. An alloy of copper and aluminum has 40% copper. Another alloy of Copper and Zinc has Copper and Zinc in the ratio 2: 7. These two alloys are mixed in ratio 5:3 respectively. Quantity of aluminum is what percent more/less than the quantity of copper in final alloy?

 

 

 

 

 

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Q2. A shopkeeper bought 150 calculators at the rate of Rs. 250 per calculator. He spent Rs. 2500 on transportation and packing. If the marked price of calculator is Rs. 320 per calculator and the shopkeeper gives a discount of 5% on the marked price then what will be the percentage profit gained by the shopkeeper?

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Q3. The population of a town is 10000. It increases by 10% during the first year. During the second year, it decreases by 20% and increased by 30% during the third year. What is the population after 3 years?

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Q4. Two boats, travelling at 5 Km/h and 10 Km/h respectively in still water, head directly towards each other. They are now at a distance of 20 km from each other. How far apart are they (in Kms) one minute before they collide ?

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Q5. Two pipes A and B can fill a cistern in 12 minutes and 15 minutes respectively but a third pipe C can empty the full tank in 6 minutes. A and B are kept open for 5 minutes in the beginning and then C is also opened. In what time will the cistern be emptied?

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Directions (6-10): Pie-chart given below shows the expenditure of five different persons and line graph shows the percentage distribution of their expenditure on different things. Study the question carefully and answer them. 

Q6. Who among the following spend maximum amount on food?

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Q7. Amount spend by ‘E’ on furniture is what % more than amount spend by ‘D’ on Transportation?

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Q8. Find the average amount spend by A, B and C on furniture?

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Q9. ‘D’ buy only three type of furniture X, Y and Z and amount spend on buying X, Y and Z are in the ratio 5 : 7 : 10 respectively. What is the difference between amount spend on buying Z type furniture to amount spend on buying X type furniture.

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Q10. What is the ratio of amount spend by ‘A’ and ‘B’ together on food to the amount spend by ‘C’ and ‘D’ together on furniture respectively?

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Directions (11-15): In the following number series only one number is wrong. Find out the wrong number. 


Q11. 

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Q12. 6, 91, 584, 2935, 11756, 35277 70558

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Q13. 8424, 4212, 2106, 1051, 526.5, 263.25, 131.625

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Q14. 8.1, 9.2, 17.3, 26.5, 43.8, 71.5, 114.1

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Q15. 4, 10, 22, 46, 96, 190, 382

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