Two cars P and Q start from the opposite direction of 100 km apart. Car P reaches a distance of 30 km, and car Q reaches a distance of 25 km. What is the distance between the two cars?

Correct option is C

Solution:

Let the total distance between the two cars initially be 100 km.

Car P travels 30 km from its starting point.

Car Q travels 25 km from its starting point.

The total distance covered by both cars is:

​$$\text{Total distance covered} = 30 \, \text{km} + 25 \, \text{km} = 55 \, \text{km}$$​​

The remaining distance between the two cars is:

​$$\text{Remaining distance} = 100 \, \text{km} - 55 \, \text{km} = 45 \, \text{km}$$​​

Thus, the distance between the two cars is 45 km.