Surface Area and Volume

What is the formula to find the volume of "sphere"?

• 4 π r²

• πr²h

How to find surface area of a cuboid

• length × breadth × height 

• 2(l+b)

• 2(lb + bh + hl) 

• length x breadth

How much ice-cream can be put into a cone with base radius 3.5 cm and height 12 cm ?

• 154cm³

• 150cm³

• 160cm³

• 164cm³

If a wooden box of dimensions 8 m x 7 m x 6 m is to carry boxes of dimensions 8 cm x 7 cm x 6 cm, then find the maximum number of boxes that can be carried in the wooden box.

• 10000

• 1000000

• 10000000

• 100

The radii of two cylinders of the same height are in the ratio 4 :5, then find the ratio of their volumes

The outer and the inner radii of a hollow sphere are 12 cm and 10 cm. Find its volume.

• 2050.45cm³

• 3050.27cm³

• 2050.63cm³

• 3050.67cm³

Find the capacity in litres of a conical vessel having height 8 cm and slant height 10 cm.

• 0.67311 litre

• 0.30171 litre

• 0.64521 litre

• None of the above

A heap of wheat is in the form of a cone whose diameter is 10.5 m and height is 3 m. Find it volume. If 1cm³ wheat cost is Rs 10, then find total cost.

• 866.25

• 76.477

• 98.456

• 86.625

The curved surface area of a cylinder is 176 cm² and its area of the base is 38.5 cm². Find the volume of the cylinder.

• 198cm³

• 76cm³

• 98cm³

• 87cm³

The diameter of a roller is 42 cm and its length is 120 cm. It takes 500 complete revolutions to move once to land a playground. Find the area of the playground in m².

• 792m²

• 658cm²

• 379cm²

• 792m³