solve karo yaar..(◍•ᴗ•◍)❤
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Answer:
50km/hr will be the average speed
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Step-by-step explanation:
suppose total distance from house to office = x
=> we know that time = distance/velo.
=> time taken from home to ofgice T1 = x/40
=> time taken from office to home T2 = x/60
total distance = from home to office + office to home = x+x = 2x
=> Average speed = total distance/total time
=> Avg. = 2*x/ (x/40 + x/60)
=> Avg = x*2/x(1/40 + 1/60)
=> Avg = 2/(60+40)/2400
=> Avg = 2*2400/100
=> Avg speed = 48 km/h.
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