Question

3. If cost of 9 pan is Rs. 108, then what will be the cost of 20 pens?
4. Find the area of rectangle whose length and breadth are 18 cm and 5 cm
respectively
5. Find the sum of 138.57 and 237 55​

Answer 1

Answer:

3. cost of 9 pen = 108

• then , cost of 1 pen = 108 / 9 = 12

• now , cost of 20 pens = 12 × 20 = Rs. 240

4. Area of rectangle = length × breadth

Area of rectangle = 18 × 15

Area of rectangle = 270 cm^2

5. sum of 138.57 + 237 .55 = 376.12

Step-by-step explanation:

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