Question

In what ratio must a groces mix two varities
of tea worth rs.60 a kg and rs.65 a kg so that by selling
the mixture at rs68.20 a kg he
may gain 10%?​

Answer 1

Step-by-step explanation:

Beware. This is a trick question.

Rs 60 and Rs 65 are the Cost Price of the two types of tea to be mixed while Rs 68.20 is the Selling Price of the mixture.

=> CP of mixture is 68.20/110 x 100 = Rs 62

Using concept of Alligations, we have :

See the above figure

Required ratio is 3:2