1.

- A man walks at a speed of 2 km/hr for 2 hours and then at a speed of 1- km/hr for next 2 hours. Findthe distance travelled by the man in 4 hours.

Answer»

Distance = speed x time= 7/3*2+ 3/2*2= 14/3+3= 14+9/3= 23/3km

Distance covered in 1 hour=66.6÷12km Distance covered in 5 hours=



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