Are you looking for DAV Maths Solutions for class 7 then you are in right place, we have discussed the solution of the Secondary Mathematics book which is followed in all DAV School. Solutions are given below with proper Explanation please bookmark our website for further update !! All the Best !!

**Chapter 5 Worksheet 1 | Application of Percentage | Class-7 DAV Secondary Mathematics**

## Unit 5 Worksheet 1 || **Application of Percentage**

1. A property dealer charges 2% commission from a buyer or a seller of property. If Mr Ram Lal paid 20,000 as a commission for purchasing a flat, what was the value of the flat?

2. A 3-star hotel in Delhi charges 10% sales tax on the price of the food taken. Mr Saxena and his family had food for 685. Find the total money he had to pay.

3. A painter paints 240 sq. feet of a wall. If this is 48% of the total wall surface, what is the area of the wall in sq. feet?

4. The salary of a person was increased by 15%. If his salary now is 9,936, what was his initial salary?

5. In a co-educational school, 45% of the total students are girls. If there are 440 boys in the school, find the number of girls in the school.

6. A potato seller sells 70% of the total potatoes and still has 150 kg potatoes left with him. Find the weight of potatoes he had originally.

7. In Rohan’s birthday party, 90% of his friends came and three friends did not come. Find the total number of friends Rohan has.

8.In a quiz competition, Ravi gave answers of 70% of the questions. He failed to give answers of six questions. Find the total number of questions asked in the quiz competition.

9.Out of a class of 45 students, five were absent, 30% of the remaining had failed to do homework. Find the number of students who did the homework.

- Chapter 1 Rational Numbers | Class-7 DAV Secondary Mathematics
- Chapter 2 Operations on Rational Numbers | Class-7 DAV Secondary Mathematics
- Chapter 3 Rational Numbers as Decimals | Class-7 DAV Secondary Mathematics
- Chapter 4 Exponents and Powers | Class-7 DAV Secondary Mathematics
- Chapter 5 Application of Percentage | Class-7 DAV Secondary Mathematics
- Chapter 6 Algebraic Expressions | Class-7 DAV Secondary Mathematics
- Chapter 7 Linear Equations in One Variable | Class-7 DAV Secondary Mathematics
- Chapter 8 Triangle and Its Properties | Class-7 DAV Secondary Mathematics
- Chapter 9 Congruent Triangles | Class-7 DAV Secondary Mathematics
- Chapter 10 Construction of Triangles | Class-7 DAV Secondary Mathematics
- Chapter 11 Perimeter and Area | Class-7 DAV Secondary Mathematics
- Chapter 12 Data Handling | Class-7 DAV Secondary Mathematics
- Chapter 13 Symmetry | Class-7 DAV Secondary Mathematics
- Chapter 14 Visualising Solids | Class-7 DAV Secondary Mathematics