1.

wide. Find the total length of carpel fequineu.11. A person walks at the rate of 4 km/hr. How long will he take to go round a square park 5 timesarea is 2500 m2?

Answer»

Given area of square Park = 2500 = a² => side = √a = √2500 = 50mso, distance to be covered in 5 rounds of sqaure is = 5*(perimeter) = 5*(4a) = 5*(4*50) = 20*50 = 1000m = 1km

now time taken = distance/speed = 1km/(4km/h) = 1/4 hr

so, time taken is = 1/4hr or 60/4 = 15mins


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