Sun	Mon	Tue	Wed	Thu	Fri	Sat
23	24	25	26	27	28	1
2	3	4	5	6	7	8
9	10	11	12	13	14	15
16	17	18	19	20	21	22
23	24	25	26	27	28	29
30	31	1	2	3	4	5

Back to Main Page

Multiple Choice Questions

A chemical solution contains 30 water and 70 alkali What quantity of water should be added to ...........

Quantitative Aptitude (CSC) Percentage

A chemical solution contains 30% water and 70% alkali. What quantity of water should be added to 6 litres of solution so that the water content becomes 40%?

600 ml

1.2 litres

800 ml

1 litre

छोटे Courses बड़े Results

Master Percentage

Prepare through Micro-courses

Try Now

Explanation:

Total Solution = 6 litres
Water Content = 6*30% = 1.8 litres
Alkali Content = 6*70% = 4.2 litres
Let quantity of water added = ‘x’ litres
Required expression after adding water = (Water/Total Solution) * 100% = 40%
(1.8 + x)/(6 + x) * 100% = 40%
After Solving => x = 1 litre

Report error