BPSC 67th Prelims Re Exam 30 Sep 2022 Solved Paper

Question : 87 of 150

Marks: +1, -0

In a mixture of 70 kg, the ratio of sand and cement is 4 ∶ 1. How much sand should be added to the mixture so that the ratio of sand and cement in it becomes 6 ∶ 1?