If each matchbox contains $48$ matchsticks, then the number of matchsticks required to fill $n$ such boxes is

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48 + n

48 - n

48 \div n

48 n

answer is D.

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Detailed Solution

Given,
Each matchbox contains 48 matchsticks.
Here, we need to find the number of matchsticks required to fill n such boxes.
Match sticks required to fill

1

matchbox,

\Rightarrow 48 \times 1

\Rightarrow 48

Then,
Matchsticks required to fill

n

matchbox,

\Rightarrow 48 \times n

\Rightarrow 48 n

Hence, the number of matchsticks required to fill n boxes is 48n.
Therefore, option 4 is correct.

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