Question

6. A playground is 38 m 50 cm long and 61 m 50 cm wide. Find:
(a) the cost of levelling it at 40 per m².
(b) the number of rounds along the boundary one should take to run 2 km
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Answer 1

Answer:

(a) ₹94710

(b)10 rounds

Step-by-step explanation:

(a) Find the area of the playground and then multiply it by 40 to get the required amount

(b) Find the perimeter of the playground, then divide 2 km by the perimeter of playground to get required no. of rounds

Answer 2

Answer:

a. for this, find the area of playground =

area of playground = l × b

= 38.050m × 61.050m

= 2,322.9524m²

cost of levelling = 2,322.9524 × 40

=92,918.1

b. for this find the perimeter of playground