Question

Mortar consists of $50\%$ sand, $10\%$ lime and the rest of it is coment. Find the quantity of coment in $400kg$ of the mortar.

Answer 1

Given that:

Quantity of sand $=50$%$=\frac{50}{100}\times 400=200kg$

Quantity of sand $=10$%$=\frac{10}{100}\times 400=40kg$

Quantity of cement $=400-240=160kg.$