Book Maths Puzzle Numerical Ability

Three varieties of rice cost Rs 10/kg,Rs 20/kg and 30/kg. In what ratio should they be mixed such that the mixture costs Rs 23/kg?

Read Solution (Total 1)

Book Other Question

How do you graph the equation and inequality of x-2y>-2 find the solution set:
x^2 + y^2 = 8 and 16x + 4y^2 = 80