68 boxes of a certain commodity require a shelf-length of 13.6 m. How many boxes of the same commodity would occupy a shelf length of 20.4 m?

In a library 136 copies of a certain book require a shelf-length of 3.4 metre. How many copies of the same book would occupy a shelf-length of 5.1 metres?

How many pieces, each of length 2(3/4) m, can be cut from a rope of length 66 m?

A uniform iron bar of length7 m weight 22.4 kg. How much does the same bar of length 13 m weight ?

How many pieces of length 3 5/7 m each can be cut from a wall paper 52 m long

A cuboidal water tank is 6m long, 5m wide and 4.5m deep. How many litres of water can it hold?

Find the area of the cardboard required to make a closed box of length 25cm, 0.5m and height 15cm.

To break a wire of one meter length, minimum 40 kg wt. is required. Then the wire of the same material of double radius and 6 m length will require breaking weight

What length of tarpaulin 3 m wide will be required to make conical tent of height 8 m and base radius 6 m? Assume that the extra length of material that will be required for stitching margins and wastage in cutting is approximately 20 cm

What length of tarpaulin 3m wide will be required to make a conical tent of height 8m and base radius 6m? Assume that the extra length of material will be required for stitching margins and wastage in cutting is approximately 20 cm (U s e\ pi=3. 14)

A godown is in the form of a cuboid of measures 60m xx 40m xx 30m. How many cuboidal boxes can be stored in it if the volume of one box is 08m^3 ?