A mixture of 70 litres of alcohol and water contains 10% of water. How much water must be added to the above mixture to make the water 12.5% of the resulting mixture

1.  1 litre

2.  1.5 litre

3.  2 litre

4.  2.5 litre

5.  3 litre

View Answer  
5
Correct Answer :

2 litre


Explanation :
No Explanation available for this question

A container has a capacity of 20 gallons and is full of spirit, 4 gallons of spirit is drawn out and the container is again filled with water. This process is repeated 5 times. Find out how much spirit is left in the resulting mixture finally

1.  6 257 over 525 gallons

2.  6 346 over 625 gallons

3.  6.5 gallons

4.  6.25 gallons

5.  None of these

View Answer  
5
Correct Answer :

6.5 gallons


Explanation :
No Explanation available for this question

A vessel is full of refined oil. 1/4 of the refined oil is taken out and the vessel is filled with mustard oil. If the process is repeated 4 times and 10 litres of refined oil is finally left in the vessel, what is the capacity of the vessel

1.  33 litres

2.  2460 over 81 litres

3.  2560 over 81 litres

4.  30 litres

5.  None of these

View Answer  
5
Correct Answer :

2560 over 81 litres


Explanation :
No Explanation available for this question

How many kilograms of sugar worth Rs. 3.60 per kg should be mixed with 8 kg of sugar worth Rs. 4.20 per kg, such that by selling the mixture at Rs. 4.40 per kg, there may be a gain of 10%

1.  6 kg

2.  3 kg

3.  2 kg

4.  5 kg

5.  4 kg

View Answer  
5
Correct Answer :

4 kg


Explanation :
No Explanation available for this question

If a man decides to travel 80 kilometers in 8 hours partly by foot and partly on a bicycle, his speed on foot being 8 km/hand that on bicycle being 16 km/h. What distance would he travel on foot

1.  20 km  

2.  30 km

3.  48 km

4.  60 km

View Answer  
4
Correct Answer :

48 km


Explanation :
No Explanation available for this question

A bonus of Rs. 985000 was divided among 300 workers of a factory. Each male worker gets 5000 rupees and each female worker gets 2500 rupees. Find the number of male workers in the factory.

1.  253  

2.  47

3.  94

4.  206

View Answer  
4
Correct Answer :

94


Explanation :
No Explanation available for this question

In what proportion must water be mixed with milk so as to gain 20% by selling the mixture at the cost price of the milk

1.  1 : 4

2.  1 : 5

3.  1 : 6

4.  1 : 12

View Answer  
4
Correct Answer :

1 : 5


Explanation :
No Explanation available for this question

Two vessels contain spirit and water mixed respectively in the ratio of 1 : 3 and 3 : 5 . Find the ratio in which these are to be mixed to get a new mixture in which the ratio of spirit to water is 1 : 2.

1.  2 : 1

2.  3 : 1

3.  1 : 2

4.  1 : 3

View Answer  
4
Correct Answer :

1 : 2


Explanation :
No Explanation available for this question

A dishonest grocer professes to sell pure butter at cost price, but he mixes it with adulterated fat and thereby gains 25%. Find the percentage of adulterated fat in the mixture assuming that adulterated fat is freely available.

1.  20%  

2.  25%

3.  33.33%

4.  40%

5.  35%

View Answer  
5
Correct Answer :

20\%

 


Explanation :
No Explanation available for this question

. In what ratio should two qualities of coffee powder having he 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

1.  1 : 2

2.  1 : 3

3.  3 : 1

4.  4 : 1

5.  2 : 1

View Answer  
5
Correct Answer :

1 : 2


Explanation :
No Explanation available for this question
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