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If the weight of an empty gas cylinder is $1645 kg$ and it contains $1423 kg$ of gas. What is the weight of the cylinder filled with gas?

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33715

32815

33915

31715

answer is D.

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Detailed Solution

Given that, the weight of an empty gas cylinder is

1645 kg

and it contains

1423 kg

of gas.
To make the addition process easier, converting given fractions to like fractions,

1645 + 1423 = 845 + 443 845 × 33 = 25215 443 × 55 = 22015

So, the sum of the fractions is,

25215 + 22015 = 47215 47215 = 31715

Therefore, the weight of the cylinder filled with gas is

31715

kg.
Hence, option (4) is correct.

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