# A lady reaches her office 20 mins late by travelling at a speed of 20 km/h and reaches 15 mins early by travelling at a speed of 30 km/h. By how much time(early or late) will she reach her office if she travels at 25 km/h?

##### 1 Answer

Nov 27, 2016

**Travelling at** **km/hr she will reach** **mt early.**

#### Explanation:

Let the distance of the office be

Time taken at

Time taken at

Therefore

Time taken at

Time taken at

So travelling at