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Question

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


Solution

Volume of one match box =4×2.5×1.5cm3=15cm3

Volume of 144 matchboxes =15×144cm3 or volume of one packet =2160cm3

Length ofcarton (l)=1.5 m =150 cm

Breadth (b)=84 cm.

and height (h)=60 cm.

Volume of one carton =l×b×h

=150×84×60cm3

=756000cm3

No. of packetes =756000÷2160

=350


Mathematics
Secondary School Mathematics VIII
Standard VIII

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