Question

A iron block weights 1/2 kg what is the weight of 20 such blocks what about 10​

Answer 1

$an \: iron \: block \: weight \: = \frac{1}{2} kg$

$weight \: of \: 20such \: iron \: blocks \\ = > \frac{1}{2} \times 20 \\ = > \frac{20}{2} \\ \: \: \: = > 10$

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