Question

A man travelled a distance of 180 Km in 18 hours partly on foot at 8 km/h and partly on bicycle at 17 km/h. Find the distance travelled on foot.

• A. 146 km
• B. 40 km
• C. 102 km
• D. 140 km

Answer 1

The correct option is D 140 km

Average speed $=\frac{180}{18}=10\frac{Km}{h}$


Distance travelled on foot and by cycle is in the ratio 7: 2 Distance covered on foot $=\frac{7}{9}\times 180=140$ Km