Aptitude Day 340

Problems on Alligation or Mixture:

1. In what ratio must a grocer mix 2 varieties of pulses costing 10 and 30 per kg respectively so as to get a mixture worth 15 per kg?

Solution:

                10                       30

                             15

                 15                      5 

                  15: 5 = 3: 1.

2. Find the ratio in which rice at 8.40 a kg be mixed with rice at 6 a kg to produce a mixture worth 9.60 a kg.

Solution:

                  840                    600

                               960

                  360                      120

                  360: 120 = 3: 7.