Question Text
Question 1 :
If a solid piece of iron is in the form of a cuboid of dimensions $49$ cm $\times33$ cm $\times 24$ cm is moulded to form a solid sphere, then the radius of the sphere is<br/>
Question 2 :
Fill in the blanks:<br>Volume of a cone = ..... x .............
Question 3 :
Calculate the volume of a cylinder where the area of a base is $\displaystyle 40{\  mm }^{ 2 }$ and height is $4.5$ mm.
Question 4 :
A conical tent of radius $33$ m and height $56$ m.Find the cost of the $10$ m wide cloth required at the rate of Rs.20 per metre.$\left( {\pi = 3.14} \right)$
Question 5 :
A sphere and a cube are of the same height. The ratio of their volume is
Question 6 :
A rectangular piece of paper $11$ cm $\times$ $4$ cm is folded without overlapping to make a cylinder of height $4$ cm. What will be volume of the cylinder ?
Question 7 :
Circumference of the base of a cylinder is 88 cm and height of the cylinder is 42 cm Its volume is
Question 8 :
The diameter of acopper sphere is $18$ cm The sphere is melted and is drawn into a long wire of uniform circular cross-section If the length of the wire is $108$ m find its diameter
Question 9 :
Say true or false.A cone, a hemisphere and a cylinder stand on equal bases and have the same height. The ratio of their volumes is $1 : 2 : 3$.<br/>
Question 10 :
A sphere of radius 3 cm and a cone of same radius and height 5 cm are melted to make a cylinder of the same radius, then its height is