Question

Amit bought two varieties of wheat A and B at 15/kg
and * 20/kg respectively. If he mix two varieties A and
B in the ratio k:1, then the rate of the mixture is 3
18/kg. The value of k is equal to​

Answer 1

Let the quantities of the two types of wheat be k kg and 1x kg.

Then, C.P. of the two types of wheat

=k×20 + 1x×15

=20k + 15x = Rs.300kx

S.P. of the mixture =(k+x)× 18

= 18k+18x