50% of a% of b is 75% of b% of c. Which of the following is c

1. 1.5a

2. 0.667a

3. 0.5a

4. 1.25a

5. 1.66a

View Answer

Correct Answer :

0.667a

Explanation :
No Explanation available for this question

An alloy of gold and silver is taken in the ratio of 1:2 and another alloy of the same metals is taken in the ratio of 2:3 How many parts of the two alloys must be taken to obtain a new alloy consisting of gold and silver that are in the ratio 3:5

1. 3 and 5

2. 2 and 9

3. 2 and 5

4. 1 and 5

5. 3 and 5

View Answer

Correct Answer :

3 and 5

Explanation :
No Explanation available for this question

A landowner increased the length and the breadth of a rectangular plot by 10% and 20% respectively. Find the percentage change in the cost of the plot assuming land prices are uniform throughout his plot.

1. 33%

2. 35%

3. 22.22%

4. 28.56%

5. None of these

View Answer

Correct Answer :

None of these

Explanation :
No Explanation available for this question

There are two alloys of gold and silver In the first alloy there is twice as much gold as silver and in the second alloy there is 5 times less gold than silver How many times more must we take of the second alloy than the first in order to obtain a new alloy in which there would be twice as much silver as gold

1. Two times

2. Three times

3. Four times

4. Ten times

5. Five times

View Answer

Correct Answer :

Two times

Explanation :
No Explanation available for this question

There are two quantities of oil with the masses differing by 2 kg The same quantity of heat equal to 96 kcal was imparted to each mass and the larger mass of oil was found to be 4 degrees cooler than the smaller mass Find the mass of oil in each of the two quantities

1. 6 and 8

2. 4 and 6

3. 2 and 9

4. 4 and 9

5. None of these

View Answer

Correct Answer :

6 and 8

Explanation :
No Explanation available for this question

Calculate the weight and the percentage of zinc in the zinc copper alloy being given that the latter’s alloy with 3 kg of pure zinc contains 90 per cent of zinc and with 2 kg of 90% zinc alloy contains 84% of zinc

1. 2.4 kg or 80%

2. 1.4 kg or 88%

3. 3.4 kg or 60%

4. 7.4 kg or 18%

5. None of these

View Answer

Correct Answer :

2.4 kg or 80\%

Explanation :
No Explanation available for this question

Two solutions the first of which contains 0.8 kg and the second 0.6 kg of salt were poured together and 10 kg of a new salt solution were obtained Find the weight of the first and of the second solution in the mixture if the first solution is known to contain 10 per cent more of salt than the second

1. 4kg, 6kg

2. 3 kg,7kg

3. 4 kg,9kg

4. 5 kg,9kg

5. None of these

View Answer

Correct Answer :

4kg, 6kg

Explanation :
No Explanation available for this question

The height of a triangle is increased by 40%. What can be the maximum percentage increases in length of the base so that the increase in area is restricted to a maximum of 60%.

1. 50%

2. 20%

3. 14.28%

4. 25%

5. 33.33%

View Answer

Correct Answer :

14.28\%

Explanation :
No Explanation available for this question

From a full barrel containing 729 litres of honey we pour off a litre and add water to fill up the barrel After stirring the solution thoroughly we pour off litre of the solution and again add water to fill up the barrel After the procedure is repeated 6 times the solution in the barrel contains 64 litres of honey Find a

1. 243 litres

2. 81 litres

3. 2.7 litres

4. 3 litres

5. None of these

View Answer

Correct Answer :

243 litres

Explanation :
No Explanation available for this question

The length, breadth and height of a room in the shape of a cuboid are increased by 10%, 20% and 50% respectively. Find the percentage change in the volume of the cuboid.

1. 77%

View Answer

Correct Answer :

Explanation :
No Explanation available for this question

Previous Next

Interview Questions

MongoDB

Java Script

Node JS

PHP

JQuery

Python