Basic Mensuration - Area & Perimeter

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Q1. If a rectangle has a length of 5 cm and a width of 3 cm, what is its perimeter?

Solution:

Perimeter = 2(length + width) = 2(5 + 3) = 16 cm

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Q2. What is 4 x 3?

Solution:

4 x 3 = 12

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Q3. What is 20 ÷ 4?

Solution:

20 ÷ 4 = 5

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Q4. What is 7 + 5?

Solution:

7 + 5 = 12

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Q5. What is 15 - 6?

Solution:

15 - 6 = 9

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Q6. What is 9 - 4?

Solution:

9 - 4 = 5

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Q7. If you have 10 apples and you give away 3, how many do you have left?

Solution:

10 - 3 = 7

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Q8. A square has a side length of 4 cm. What is its area?

Solution:

Area = side x side = 4 x 4 = 16 cm²

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Q9. What is 3 x 5?

Solution:

3 x 5 = 15

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Q10. A rectangle has a length of 5 cm and a width of 3 cm. What is its perimeter?

Solution:

Perimeter = 2(length + width) = 2(5 + 3) = 16 cm