Neeraj riches school in car at average speed of 20 km per hour while returning his speed become 30 km per hour due to less crowd what is average speed of Neeraj card for the whole journey
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multiply2,first velocity ,second velocityandwhole divided by sum of velocity
ikshwak:
formula hai
formula bhi bhejo
2*v1 *v2/v1+v2
I am leaving
y q
ok
hey will you putit in numerical form
yes
where?
what
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