Question

Have to purchase 20 kg things at only 20 rupees
rates of items are... Ghee 20/- kg
Potato 1/-kg.. onion .25 paisa /-kg

Answer 1

you should purchase potato 20 kg's because it 1/kg it will cost Rs20..

Answer 2

We have to purchase 20 kg potato because the rate of 1 kg potato is Rupees 1 so the rate of 20 kg of potato is rupees 20