Question

Mr Ramesh reached his office in 40 minutes with a speed of 54 km/hr. In what speed will he go to reach in his office in 30 minutes
​

Answer 1

Step-by-step explanation:

$\text{ \huge\purple{branlist \: please}}$

let the distance is x km,

so from this question

(x÷30)-(x÷40)=15÷60

10x=300

x=30km