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Question

A matchbox measures 4cm by 2.5cm by 1.5cm. What will be the volume of a packet containing 12 such matchboxes.


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Solution

STEP 1 : Finding the volume of one matchbox

Length (l) =4cm

Breadth (b) =2.5cm

Height (h) =1.5cm

Volume of a matchbox =l×b×h

Volume of a matchbox =4×2.5×1.5=15cm3

STEP 2 : Finding the volume of a packet containing 12 such matchboxes

Volume of packet containing 12 such matchboxes =12×volumeofamatchbox

Volume of packet containing 12 such matchboxes =12×15=180cm3

Hence, the volume of a packet containing 12 such matchboxes is 180cm3.


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