A person who walks at 14 km/hr instead of 10 km/hr has travelled 20 kilometres extra. He has travelled the following distance:
A. 50 km
B. 56 km
C. 70 km
D. 80 km
Answer:A
A person who walks at 14 km/hr instead of 10 km/hr has travelled 20 kilometres extra. He has travelled the following distance:
A. 50 km B. 56 km C. 70 km D. 80 km
Explanation: Let's say the real distance travelled was x kilometreAfter that, x/10 = x + 20/14,10x Plus 200 = 14x,200 divided by four,x is equal to 50 kilometres.