Math Mcqs Practice Test

Math  Mcqs Practice Test The percentage of water in 20 litres of adulterated milk is 10. The quantity of water to be added to it to increase the %age of water to 25% is A. 4 litres B. 5 litres C. 6 litres D. 7 litres In what proportion must a grocer mix rice at …

Continue reading ‘Math Mcqs Practice Test’ »