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ഒരാൾ A യിൽ നിന്ന് B യിലേക്ക് 20km/hr വേഗത്തിലും, B യിൽ നിന്ന് Aയിലേക്ക് 30km/hr വേഗത്തിലും സഞ്ചരിച്ചാൽ അയാളുടെ ശരാശരി വേഗം എത്ര?

A22km/hr

B20km/hr

C24km/hr

D23km/hr

Answer:

C. 24km/hr

Read Explanation:

ശരാശരി= 2xy/x+y = (2 x 20 x 30)/(20+30) = (2x20x30)/50 = 24km/hr


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