# Volume of a right circular cone having radius 70 cm and curved surface area 40040 cm2 is

1.  823400 cm3

2.  824000 cm3

3.  840000 cm3

4.  862400 cm3

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Explanation :
No Explanation available for this question

# 105, 85, 60, 30, 0, -45, -90

1.  0

2.  85

3.  -45

4.  60

4

0

Explanation :
No Explanation available for this question

# The radius and height of a right circular cone are in the ratio 3 : 4. If its volume is 96π cm3, what is its slant height

1.  8 cm

2.  9 cm

3.  10 cm

4.  12 cm

4

10 cm

Explanation :
No Explanation available for this question

# 4, 6, 8, 9, 10, 11, 12

1.  10

2.  11

3.  12

4.  9

4

11

Explanation :
No Explanation available for this question

# The length of canvas 1.1 m wide required to build a conical tent of  height 14 m and the floor area 346.5 sq. m is

1.  490 m

2.  525 m

3.  665 m

4.  860 m

4

525 m

Explanation :
No Explanation available for this question

# if the radius of the base and the height of a right circular cone are doubled, then its volume becomes

1.  2 times

2.  3 times

3.  4 times

4.  8 times

4

8 times

Explanation :
No Explanation available for this question

# If both the radius and height of a right circular cone are increased by 20%, its volume will be increased by:

1.  20%

2.  40%

3.  60%

4.  72.8%

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Explanation :
No Explanation available for this question

# If the height of a right circular cone is increased by 200% and the radius of the base is reduced by 50%, then the volume of the cone:

1.  Remains unaltered

2.  Decrease by 25%

3.   Increase by 25%

4.  Increase by 50%

4

Decrease by 25\%

Explanation :
No Explanation available for this question

# If the height of a cone be doubled and radius of base remains the same, then the ratio of the volume of the given cone to that of the second cone will be

1.  1:2

2.  2:1

3.  1:8

4.   8:1

4

1:2

Explanation :
No Explanation available for this question

1.  130

2.  142

3.  153

4.  165

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