1.

The cost of 1kg of potatoes is rs 12 1/2 . find the cost of 5 1/2 kg of potatoes.

Answer»

1 kg \to 12\frac{1}{2} \\ \\ 5\frac{1}{2} kg \to 12\frac{1}{2} \times 5\frac{1}{2} = \frac{25}{2} \times \frac{11}{2} = \frac{275}{4} = 68\frac{3}{4}





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