Question

For the Sports Day, two square boundaries of side
6.5 m and one rectangular boundary of 8 m by 4 m
were made on the ground. These were then outlined
with chalk marking. If the cost of chalk marking per
metre is * 5, how much will be the cost of marking
the boundaries?
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Answer 1

Answer:

total boundary..4 times 6.5 times 2 plus 2 times 12 gives 52 plus 24 ..76m. total cost is 76 × 5 = 380 rupees.