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The length of the minute hand of a clock is 14 cm. Find the area swept by the minute hand in one minute.

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Important Questions on Mensuration

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CISF Head Constable
IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 46 - Mensuration>EXERCISE>Q 15
Find the area of the ring between two concentric circles whose circumferences are 77cm and 55cm.
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CISF Head Constable
IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 46 - Mensuration>EXERCISE>Q 16
A rectangular reservoir is 10.8 metres long and 3.75 metres wide at base. Water flows into it at the rate of 18 m per sec through the pipe having a cross section 7.5cm x 4.5cm. Then the height to which the water will rise in the reservoir in 30 minutes is:
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CISF Head Constable
IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 46 - Mensuration>EXERCISE>Q 17
A rectangular sheet of 44 cm×18 cm is rolled along its length and a cylinder is formed. Then the volume of the cylinder is:
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CISF Head Constable
IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 46 - Mensuration>EXERCISE>Q 18
How many metres of cloth 5 metre wide will be required to make a conical tent, the radius of whose base is 7 metre and height is 24 metre?
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CISF Head Constable
IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 46 - Mensuration>EXERCISE>Q 19
The surface area of a sphere whose volume is 4851 cubic metres is:
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CISF Head Constable
IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 46 - Mensuration>EXERCISE>Q 20
A hollow sphere of external and internal diameter 8cm and 4cm respectively is melted into a cone of base diameter 8cm. Then the height of the cone is:
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CISF Head Constable
IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 46 - Mensuration>EXERCISE>Q 21
The dimensions of a metallic rod are 19 cm × 4 cm × 2cm and each side of a metallic cube is 4 cm. Both are melted and recast into a new cube. Find the length of edge of cube so formed.
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CISF Head Constable
IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 46 - Mensuration>EXERCISE>Q 22
An agricultural field is in the form of a rectangle of length 35 metres and width 15.4 metres. A pit 5.5 metres long, 4 metres wide and 2.5 metres deep is dug in the corner of the field and the earth taken out of the pit is spread uniformly over the remaining area of the field. The extent to which the level of the field has been raised is: