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ഒരാൾ A-യിൽ നിന്ന് B-യിലേക്ക് 40 km/hr വേഗത്തിലും B-യിൽ നിന്ന് A-യിലേക്ക് 60 km/hr വേഗത്തിലും സഞ്ചരിച്ചു. എങ്കിൽ ശരാശരി വേഗം ?

A48 km/hr

B38 km/hr

C42 km/hr

D54 km/hr

Answer:

A. 48 km/hr

Read Explanation:

2xy/x+y = (2 x 80 x 60)/ (40+60) (2 x 40 x 60)/100 = 48km/hr


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