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Mensuration: Areas and Volumes · Question 1 of 68

Question 1

EasyOriginal question

Harpreet wants to fence her rectangular kitchen garden, which is 24 m long and 15 m wide. Fencing costs ₹35 per metre. What will the fencing cost?

Options for question 1

Show the answer and explanation
CorrectNot quiteAnswer D

Correct answer: D

Explanation

  1. Fencing goes round the boundary, so find the perimeter: 2×(24+15)=782 \times (24 + 15) = 78 m.

  2. Cost = 78 × ₹35 = ₹2,730.

Worth noting

₹1,365 uses only the half-perimeter 24+1524 + 15. ₹1,890 and ₹2,205 fence only three sides of the garden.

Concept
Perimeter of a rectangle, and cost per metre
Typical time
40 s
Your time
—
The rule this testsPerimeter and area
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Ten questions from Mensuration: Areas and Volumes, at your own pace.

Practise this chapter →

Ten questions from Mensuration: Areas and Volumes, at your own pace.

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