Question

If the price of sugar rises from f 6 per kg to Rs. 7.5per kg, a person to have no expenditure on sugar, will have to reduce his consumption of sugar by ---------% ​

Answer 1

Let original consumption = 100 kg and new consumption = x kg,

So, 100 * 6 = x * 7.50 => x = 80kg

Reduction in consumption = 20%