1.

The size of matchbox is 4cm × 2.5 cm × 1.5 cm. What is the volume packet containing 144 matchboxes? How many such packets can be place in a carton of size 1.5cm × 84cm × 60 cm?

Answer»

We know that volume of cuboid = length × breadth × height

Volume occupied by single matchbox = 4 × 2.5 × 1.5 = 15 cm3

Volume of a packet containing 144 matchbox = 15 × 144 = 2160 cm3

Volume of carton is 1.5cm × 84cm × 60 cm = 756000 cm3

Therefore, total number of packets can be accommodated in a carton is

Volume of the carton/ volume of the box

= 75600/2160

= 350 packets



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