Question

Find the ratio in which rice at Rs. 7.20 a kg be mixed with rice at Rs. 5.70 a kg to produce a mixture worth Rs. 6.30 a kg.

Answer 1

coast of 1kg of kind of 1st kind 720p         coast of 1kg of 2nd kind 570p 
                                                      MEAN PRICE 630P
                                                =60:90
                                                =2:3