UP Police SI Exam 12 Dec 2017 Shift 3 Solved Paper

Question : 87 of 160

Marks: +1, -0

How many kg of wheat costing 3 rupees 60 paise per kg should be mixed with 8 kg of wheat costing 4 rupees 20 paise per kg, so that by selling the mixture at 4 rupees 40 paise per kg, there can be a profit of 10%?