**Percentage Question Set 7**

Percentage questions are asked in almost all competitive exams. They are followed by simple tricks and calculations, and cover about 2% of the paper marks. They also include questions from Compound Interest and Simple Interest. Here is a sample paper sheet of the missing number puzzle for your practice. Do give us a review.

1. From a container having pure milk, 20% is replaced by water and the process is repeated thrice. At the end of the third operation, the milk is:

(a) 40% Pure

(b) 50% Pure

(c) 51.2% Pure

(d) 58.8% Pure

2. 300 grams of sugar solution has 40% sugar in it. How much sugar should be added to make it 50% in the solution?

(a) 10 gms

(b) 40 gms

(c) 60gms

(d) 80 gms

3. The price of an article is out by 20%. to restore it to the former value, the new price must be increased by

(a) 20%

(b) 25%

(c) 16 2/3%

(d) 24%

4. In an Examination, A got 10% maks less than B,B got 25% marks more than C and C got 20% less and D. If A got 360 marks out of 500, the percentage of marks obtained by D was:

(a) 70

(b) 80

(c) 75

(d) 85

5. Arvind spends 75% of his income. His income is increased by 20% and he increased his expenditure by 10%. His saving is increased by:

(a) 10%

(b) 25%

(c) 37 1/2%

(d) 50%