a man travel from agra to gwalior at a speed of 30kmph and return at speed of 60kmph what is his average speed
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s1= 30 nd s2= 60
formula to calculate avg speed
= n * s1* s2------- sN /s1+s2+-----sN
n = 2 because no of speeds are given in the statement is 2 ..
so = 2*30*60/30+60
2*30*60/90
3600/90
= 40
avg speed = 40 km/ hr
I hope it helps u...
pls mark it as brainliest.. !!
formula to calculate avg speed
= n * s1* s2------- sN /s1+s2+-----sN
n = 2 because no of speeds are given in the statement is 2 ..
so = 2*30*60/30+60
2*30*60/90
3600/90
= 40
avg speed = 40 km/ hr
I hope it helps u...
pls mark it as brainliest.. !!
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