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Standard V

Mathematics

Expressing The Unit of Mass

If 25 kg of...

Question

If $25 k g$ of rice costs $R s 1281.25$ , find the cost of
$1 k g$ of rice

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Solution

Cost of $25$ kg of rice $=$ Rs. $1281.25$
Cost of $1$ kg of rice $=$ Rs. $\frac{1 \times 1281.25}{25} =$ Rs. $51.25 ‬$
$∴$ Cost of $1$ kg of rice is Rs. $51.25 ‬$

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If 25 kg of rice costs Rs 1281.25, find the cost of 1 kg of rice

Cost of 25kg of rice=Rs.1281.25Cost of 1kg of rice=Rs.1×1281.2525=Rs.51.25‬∴ Cost of 1kg of rice is Rs.51.25‬

If $25 k g$ of rice costs $R s 1281.25$ , find the cost of
$1 k g$ of rice

Cost of $25$ kg of rice $=$ Rs. $1281.25$
Cost of $1$ kg of rice $=$ Rs. $\frac{1 \times 1281.25}{25} =$ Rs. $51.25 ‬$
$∴$ Cost of $1$ kg of rice is Rs. $51.25 ‬$