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 updates!! All the Best !!

**Chapter 11 Worksheet 5 | Perimeter and Area | Class-7 DAV Secondary Mathematics**

**1.** **Find the circumference of a circle whose radius is 7 cm. **

**Answer 1:**

**2. Find the diameter of a circle whose circumference is 66 m. **

**Answer 2:**

**3. If circumference of a circle is 176 cm, find its radius. **

**Answer 3:**

**4. The diameter of a wheel is 1.4 m, find its circumference. **

**Answer 4:**

**5. The radii of two circles are in the ratio 2 : 3. What is the ratio of their circumferences? **

**Answer 5:**

**6. The moon is nearly 385000 km away from the earth. It takes a round of the earth every month. How much distance does it travel in one month? **

**Answer 6:**

**7. The diameter of the wheel of a car is 35 cm. How much distance will it cover in 1000 revolutions? **

**Answer 7:**

**8. The radius of a wheel of a bus is 0.70 m. How many revolutions will it make in covering 22 km? **

**Answer 8:**

**9. A wire is in the form of a circle with radius 42 cm. It is bent into a square. Find the sides of the square. **

**Answer 9:**

**10. The diameter of a circular park is 140 m. Around it on the outside, a path having the width of 7 m is constructed. If the path has to be fenced from inside and outside at the rate of 7 per metre, find its total cost.**

**Answer 10:**

**11. An athlete runs around a circular park 10 times. If the diameter of park is 280 m, find the distance covered by the athlete In kilometres. **

**Answer 11:**

**12. A circular piece of thin wire Is converted Into a rhombus of side 11 cm. Find the diameter of the circular piece. **

**Answer 12:**

**13. A race track is in the form of a ring whose Inner circumference Is 352 m, and the outer circumference is 396 m. Find the width of the track. **

**Answer 13:**

**14. Radius of a circular region is 63 cm. Find the least length of rope which is sufficient to encircle the circular region.**

**Answer 14:**

- 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

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