slant height,  $l=$  

Formula for volume of cone is

Formula for calculating volume of hemisphere is

A plastic box 5m long,4 m wide and 3 m deep,is to be made.Ignoring the thickness of the plastic sheet, determine the area of the sheet required for making the box.

A cubical box has each edge 10 cm and another cuboidal box is 12.5 cm long,10 cm wide and 8 cm high.Which box has greater lateral surface area

A conical tent is 10 m high and the radius of its base is 24 m. its slant height is

surface area of a sphere of diameter 14 cm is

volume of a right circular cone with radius 3 cm and height 3.5 cm.

Total surface area of a hemisphere of radius 10 cm is. (use π = 3.14)

volume of a sphere whose surface area is 154  $cm^2$  .

Sides of a triangular plot are in the ratio 3:5:7 and its perimeter is 300 m. Find its area.

Area of triangular park whose sides are 40 m, 32 m, and 24 m is

If 125^x = 25 ,find x

If z = 0.064 ,find the value of   $\left(\frac{1}{z}\right)^{\frac{1}{3}}$  

Express  $0.5\overline{7}$  in the form  $\frac{p}{q}$  ,where  $p\ and\ q$   are integers and  $q\ne0$  

identify the irrational number