A train travels the first 15 kilometre at a uniform speed of 30 km per hour the next 75 km at a uniform speed of 50 km per hour and the last 10 km at a uniform speed of 20 km per hour calculate the average speed for the entire train journey
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ion kno nun dis
If an enzyme is absent during polypeptide production, what can occur?
a mutationpolymerizationreplicationgene flow
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average speed=total distance/total time taken
badalsingh12345:
solve this ques.
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