Question

A shopkeeper purchase two quantities of rice at the rate of Rs. 280/kg and Rs. 260/kg . In 52 kg of the second quantity, how much rice of the first quantity should be mixed so that by selling the resulting mixture at Rs.300/ kg , he gains a profit of 25%

Answer 1

Let $X$Kg of rice required to be mixed

Then According to question ($280\times x+260\times 52$)$\frac{5}{4}$=$300\times$ ($x+52$)

Solving we get $x=26$Kg