Question

3. In what ratio must wheat at Rs.3.20 per kg
be mixed with wheat at Rs.2.90 per kg so that
the mixture be worth Rs.3.08 per kg?
(a) 3:4
(b) 4:3
(C) 3:2
(d) 2:3​

Answer 1

c.p of a unit quantity of 1st kind=Rs3.20 c.p of a unit quantity of 2st kind=Rs2.90 mean price = Rs.3.08. c.p of quantity. c.p of quantity of 1st kind. of 2st kind. ( Rs.3.08) (Rs.2.90). l. \. /.

(Mean price)

/ \

(3.08 -2.90). (3.20 -3.08). l. 0.18. . (0.12). Required ratio = 0.18:0.12=3:2