Four mark exercise problems II — task. Mathematics State Board, Class 7.

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1. Lalitha wants to buy a round carpet of radius is

$63 \ cm$ for her hall. Find the area that will be covered by the carpet.

Answer:

The area covered by the carpet

$=$

$cm^2$

2. Thenmozhi wants to level her circular flower garden whose diameter is

$49 \ m$ at the rate of

$₹150$ per

$m^2$ . Find the cost of levelling.

Answer:

Cost of levelling

$= ₹$

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11. Four mark exercise problems II