The capacity of a cylindrical tank is 246.4 liters. If the height is 4 meters, what is the diameter of the base

1.  1.4 m 

2.   2.8 m

3.  14 m

4.   28 m

5.  None of these

View Answer  
5
Correct Answer :

None of these


Explanation :
No Explanation available for this question

The volume of a right circular cylinder whose curved surface area is 2640 cm2 and circumference of its base is 66 cm, is:

1.   3465 cm3  

2.   7720 cm3

3.  13860 cm3

4.  55440 cm3

View Answer  
4
Correct Answer :

13860 cm3


Explanation :
No Explanation available for this question

If the volume of a right circular cylinder with its height equal to the radius is 25(1/7) cm3, then the radius of the cylinder is equal to

1.   π cm

2.  2 cm

3.  3 cm

4.  4 cm

View Answer  
4
Correct Answer :

2 cm


Explanation :
No Explanation available for this question

The height of a right circular cylinder is 14 cm and its curved surface is 704 sq. cm. then its volume is

1.  1408 cm3  

2.   2816 cm3

3.   5632 cm3

4.  9856 cm3

View Answer  
4
Correct Answer :

2816 cm3


Explanation :
No Explanation available for this question

A closed metallic cylindrical box is 1.25 m high and its base radius is 35 cm. If the sheet metal costs Rs. 80 per m2, the cost of the material used in the box is

1.  Rs. 281.60

2.  Rs. 290

3.  Rs. 340.50

4.  Rs. 500

View Answer  
4
Correct Answer :

Rs. 281.60


Explanation :
No Explanation available for this question

The curved surface area of a right circular cylinder of base radius r is obtained by multiplying its volume by

1.   2r

2.  2/r

3.  2r2

4.  2/r2

View Answer  
4
Correct Answer :

2/r


Explanation :
No Explanation available for this question

The ratio of total surface area to lateral surface area of a cylinder whose radius is 20 cm and height 60 cm, is

1.  2:1

2.   3:2

3.  4:3

4.  5:3

View Answer  
4
Correct Answer :

4:3


Explanation :
No Explanation available for this question

A powder tin has a square base with side 8 cm and height 14 cm. another tin has a circular base with diameter 8 cm and height 14 cm. the difference in their capacities is

1.  0

2.  132 cm3

3.  137.1 cm3

4.  192 cm3

View Answer  
4
Correct Answer :

192 cm3


Explanation :
No Explanation available for this question

The ratio between the radius of the base and the height of a cylinder is 2:3. If its volume is 12936 cu.cm, the total surface area of the cylinder is

1.  2587.2 cm2

2.  3080 cm2

3.  25872 cm2

4.  38808 cm2

View Answer  
4
Correct Answer :

3080 cm2


Explanation :
No Explanation available for this question

The radius of the cylinder is half its height and area of the inner part is 616 sq. cms. Approximately how many litres of milk can it contain

1.  1.4

2.  1.5

3.  1.7

4.  1.9

5.   2.2

View Answer  
5
Correct Answer :

1.5


Explanation :
No Explanation available for this question
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