The perimeter of one face of a cube is 20 cm. Its volume will be:

1.  125cm3

2.  400cm3

3.  250cm3

4.  625cm3

View Answer  
4
Correct Answer :

125cm3


Explanation :
No Explanation available for this question

The cost of the paint is Rs. 36.50 per kg. If 1 kg of paint covers 16 square feet, how much will it cost to paint outside of a cube having 8 feet each side.

1.  Rs. 850

2.  Rs. 860

3.   Rs. 876

4.  Rs. 886

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4
Correct Answer :

 Rs. 876


Explanation :
No Explanation available for this question

How many cubes of 10 cm edge can be put in a cubical box of 1 m edge.

1.  10000 cubes

2.  1000 cubes

3.  100 cubes

4.  50 cubes

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4
Correct Answer :

1000 cubes


Explanation :
No Explanation available for this question

If the volume of two cubes are in the ratio 27:1, the ratio of their edges is:

1.  3:1

2.  3:2

3.  3:5

4.  3:7

View Answer  
4
Correct Answer :

3:1


Explanation :
No Explanation available for this question

A circular well with a diameter of 2 meters, is dug to a depth of 14 meters. What is the volume of the earth dug out.

1.  40m3

2.  42m3

3.  44m3

4.  46m3

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4
Correct Answer :

44m3


Explanation :
No Explanation available for this question

A cylindrical tank of diameter 35 cm is full of water. If 11 litres of water is drawn off, the water level in the tank will drop by:

1.  1137cm

2.  1127cm

3.  1117cm

4.  11cm

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4
Correct Answer :

1137cm


Explanation :
No Explanation available for this question

66 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length if the wire in meters will be:

1.  76 m

2.   80 m

3.  84 m

4.  88 m

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4
Correct Answer :

84 m


Explanation :
No Explanation available for this question

A hollow iron pipe is 21 cm long and its external diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weights 8g/cm cube, then find the weight of the pipe.

1.  3.696 kg

2.  3.686 kg

3.  2.696 kg

4.  2.686 kg

View Answer  
4
Correct Answer :

3.696 kg


Explanation :
No Explanation available for this question

The curved surface of a right circular cone of height 15 cm and base diameter 16 cm is:

1.  116πcm2

2.  122πcm2

3.  124πcm2

4.  136πcm2

View Answer  
4
Correct Answer :

136πcm2


Explanation :
No Explanation available for this question

Four inlet pipes with circular cross section, take 9 hrs to fill a cistern. How many pipes of half the radius are required to fill the cistern in 6 hrs if the speed of water now is three times the speed of water in the previous case

1.  2

2.  4

3.  6

4.  8

5.  10

View Answer  
5
Correct Answer :

8


Explanation :
No Explanation available for this question
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