Question

Distances travelled by Delhi-Patna Rajdhani express and Garib rath express in an hour are $120km$and $100km$ respectively. Find the ratio of their speed.

Answer 1

Step 1: Find the speed

$speed=\frac{dis\tan ce}{time}$

Speed of Delhi-Patna Rajdhani express = $\frac{120km}{1hour}=120km/hour$

Speed of Garib rath express = $\frac{100km}{1hour}=100km/hour$

Step 2: Find the ratio

ratio of their speed = $\frac{120}{100}=\frac{120÷20}{100÷20}=\frac{6}{5}=6:5$

Hence, the ratio of their speed is $6:5$.