Question

In what ratio must a grocer mix two varieties of tea worth Rs 60 per kg and Rs 65 per kg so that by selling the mixture at Rs 68.20 a kg he may gain 10%?

• A. 3 : 2
• B. 3 : 4
• C. 3 : 5
• D. 4 : 5

Answer 1

The correct option is A 3 : 2

S.P of 1 Kg mixture=Rs.68.20
Profit=10%
Then $C.P=\frac{100}{110}\times 68.20=Rs.62$
By the rule of allegation
C.P of 1 kg tea of Ist kind C.P of 1 kg tea of IInd kind
60 65
Mean Price
62
65-62=3 62-60=2
Required Ratio=3:2