Question

A black board of side 5m 50cm and 4m 40cm is to be painted.find the cost at the rate of₹10 per square meters

Answer 1

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Here is your answer

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Side of black board is

5m 50cm = 5.5 m

and

4m 40 cm = 4.4 m

Area of blackboard = Area of rectangle

Length × breadth

5.5. × 4.4

24.2 m² ...

The cost to be painted the blackboard at the rate of ₹10


price of 1m ² = ₹ 10


2.42m2 × ₹ 10

₹ 242..


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