**GSEB Solutions for Class 6 Mathematics – Circumference and Area of Circle (English Medium)**

**Exercise **

**Solution 1:**

**Solution 2:**

**Solution 3:**

**Solution 4:**

**Solution 5:**

**Solution 6:**

**Solution 7:**

**Practice – 1**

**Solution 1:**

**Solution 2:**

**Solution 3:**

**Solution 4:**

**Solution 5:**

**Solution 6:**

**Practice – 2**

**Solution 1:**

**Solution 2:**

**Solution 3:**

We need to find the circumference of the wheel of the cart.

Radius of the wheel = 42 cm

Circumference of the wheel

= 264 cm

Cost of 10 cm plate = Rs. 20

Cost of 264 cm plate = Rs. (264 × 20) = Rs. 528

Therefore, the length of the iron-plate required is 264 cm and the total cost of the iron plate is Rs. 528.

**Solution 4:**

**Solution 5:**

**Practice – 3**

**Solution 1:**

**Solution 2:**

**Solution 3:**

**Solution 4:**

**Solution 5:**