Abhumanyu Banerjee has 72% vision in his left eye and 68% vision in his right eye. ON corrective therapy, he starts wearing contact lenses, which augment his vision by 15% in the left eye and 11% in the right eye. Find out the percentage of normal vision that he possesses after corrective therapy.

1.  52.5%

2.  62.5%

3.  72.5%

4.  68.6%

5.  None of these

View Answer  
5
Correct Answer :

62.5\%


Explanation :
No Explanation available for this question

The petrol prices shot up by 7% as a result of the hike in the price of crudes. The price of petrol before the hike was Rs. 28 per liter. Vawal travels 2400 kilometers every month and his car gives a mileage of 18 kilometers to a liter. Find the increase in the expenditure that Vawal has to incur due to the increase in the price of petrol. If vawal wants to limit the increase in expenditure to Rs. 200, what strategy should he adopt with respect to his travel

1.  Reduce travel to 2350 kilometres

2.  Reduce travel to 2340 kilometres

3.  Reduce travel to 2360 kilometres

4.  Reduce travel to 2370 kilometres

5.  None of these

View Answer  
5
Correct Answer :

None of these


Explanation :
No Explanation available for this question

The petrol prices shot up by 7% as a result of the hike in the price of crudes. The price of petrol before the hike was Rs. 28 per liter. Vawal travels 2400 kilometers every month and his car gives a mileage of 18 kilometers to a liter. Find the increase in the expenditure that Vawal has to incur due to the increase in the price of petrol

1.  Rs. 270

2.  Rs. 262

3.  Rs. 276

4.  Rs. 272

5.  Rs. 280

View Answer  
5
Correct Answer :

Rs. 262


Explanation :
No Explanation available for this question

The are there galleries in a coal mine. On the first day, two galleries are operative and after some time, the third gallery is made operative. With this , the output of the mine became half as large again. What is the capacity of the second gallery as a percentage of the first, if it sis given hat a four month output of the first and the third galleries was the same as the annual output of the second gallery

1.  70%

2.  64%

3.  60%

4.  65%

5.  None of these

View Answer  
5
Correct Answer :

60\%


Explanation :
No Explanation available for this question

The price of raw materials has gone up by 15% , labor cost has also increased from 25% of the cost of raw material to 30% of the cost of raw material. By how much percentage should there be a reduction in the usage of raw materials so as to keep the cost same

1.  17%

2.  24%

3.  28%

4.  25%

5.  Cannot be determined

View Answer  
5
Correct Answer :

17\%


Explanation :
No Explanation available for this question

Prema goes to a shop to buy a sofa set costing Rs. 13080. The rate of sales tax is 9%. She tells the shop keeper to reduce the price of the sofa set to such an extent that she has o pay Rs. 13080 inclusive of sales tax. Find the percentage reduction needed in the price of the sofa set to just satisfy her requirement.

1.  8.33%

2.  2.26%

3.  9%

4.  8.5%

5.  9.09%

View Answer  
5
Correct Answer :

2.26\%


Explanation :
No Explanation available for this question

The cost of food accounted for 25% of the income of a particular family. If the income gets raised by 20%, then what should be the percentage point decrease in the food expenditure as a percentage of the total income to keep the food expenditure unchanged between the two years

1.  3.5

2.  8.33

3.  4.16

4.  5

5.  6.25

View Answer  
5
Correct Answer :

4.16


Explanation :
No Explanation available for this question

Maya has Rs. M with her and her friend Chanda has Rs. C with her. Maya spends 12% of her money and Chanda also spends the same amount as Maya did. What percentage of her money did Chanda spend

1.  18M/C

2.  18C/M

3.  12M/C

4.  12C/M

View Answer  
4
Correct Answer :

12M/C


Explanation :
No Explanation available for this question

Reena goes to a shop to buy a radio costing Rs. 2568. The rate of sales tax is 7% and the final value is rounded off to the next higher integer. She tells the shopkeeper to reduce the price of the radio so that she has to pay Rs. 2568 inclusive of sales tax. Find the reduction needed in the price of the radio.

1.  Rs. 180

2.  Rs. 210

3.  Rs. 168

4.  None of these

View Answer  
4
Correct Answer :

Rs. 180


Explanation :
No Explanation available for this question

The weight of an iron bucket increases by 33.33% when filled with water to 50% of its capacity. Which of these may be 50% of the weight of the bucket when it is filled with water

1.  7 kg

2.  6 kg

3.  5 kg

4.  8 kg

View Answer  
4
Correct Answer :

5 kg


Explanation :
No Explanation available for this question
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