In what ratio must a shopkeeper mix peas and soyabean of ₹16 and ₹25 per kg respectively, so as to obtain a mixture of ₹19 per kg?

2 : 1

Price of ,

Peas = 16 rs

Soyabean = 25 rs

and mixture of both = 19 rs

Using alligation,

Peas             Soyabean

16                     25

            19

6          :            3

2         :           1

So, a shopkeeper mix peas and soyabean in 2 : 1