The cost of 5 litres of a milk is Rs 55. Tabulate the cost of 2, 4, and 10 litres of milk. [4 MARKS]

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Solution

Concept: 1 Mark
Solution: 3 Marks

$\begin{matrix} N u m b e r o f l i t r e s & 2 & 4 & 5 & 10 C o s t (i n R s) & y_{1} & y_{2} & 55 & y_{3} \end{matrix}$

$\frac{5}{55} = \frac{2}{y_{1}} o r y_{1} = \frac{2 \times 55}{5} = R s 22$

$\frac{5}{55} = \frac{4}{y_{2}} o r y_{2} = \frac{4 \times 55}{5} = R s 44$

$\frac{5}{55} = \frac{10}{y_{3}} o r y_{3} = \frac{10 \times 55}{5} = R s 110$

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