Quantitative Aptitude Test 39

Quantitative Aptitude

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1. Even after reducing the marked price of a transistor by Rs 32, a shopkeeper makes a profit of 15%. If the cost price be Rs 320, what percentage of profit would he have made if he had sold the transistor at the marked price ?

 
 
 
 

2. After allowing a discount of 10% on M.P., a shopkeeper charges Rs 540 for a watch. Had he not allowed any discount, he would have made a profit of 20%. What was the C.P. of the watch ?

 
 
 
 

3. A shopkeeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of the cost price to the printed price of the book is :

 
 
 
 

4. If the height of a cone is increased by 200%, then its volume will increase by:

 
 
 
 

5. A hemispherical bowl B1 and a hollow right circular cylinder B2 (having length equal to its radius) have the same diameter equal to the length of a side of a hollow cubical box B3. Water is filled in all these vessels up to the same level and such that hen-dspherical bowl is full of water and the volumes of filled water are V1, V2 and V3, respectively, in B1, B2 and B3, then:

 
 
 
 

6. A retailer buys a sewing machine at a discount of 15% and sells it for Rs 1955. Thus, he makes a profit of 15%. The discount is :

 
 
 
 

7. Pankaj bought a bag with 20% discount on the original price. He got a profit of Rs 50,by selling it at a price 150% of the price at which he bought. What was the original price of the bag ?

 
 
 
 

8. A discount of 30% on the marked price of a toy reduces its S.P. by Rs 30. What is the new S.P. ?

 
 
 
 

9. If a cube of maximum possible volume is cut off from a solid sphere of diameter d, then the volume of the remaining waste material of the sphere would be equal to:

 
 
 
 

10. It is required to construct a big rectangular hall to accommodate 500 persons, allowing 22.5 m3.space per person. The height of the hall is to be kept at 7.5 m while the total inner surface area of the walls must be 1200 sq. m. The length and breadth of the hall must, respectively, be:

 
 
 
 

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