1.

Two friends cover a certain distance with 8 km/hr and 10 km/hr. The faster one reaches the destination 15 minutes before the slower one.Find the distance covered to reach the destination.1. 15 km2. 10 km3. 12 km4. 20 km

Answer» Correct Answer - Option 2 : 10 km

Given:

The speed of two friends are 8km/hr and 10 km/hr

Person with the speed of 10 km/hr reaches 15 minutes earlier

Concept used:

Speed = Distance/Time

Detailed solution:

Let the distance be D

According to question,

(D/8) - (D/10) = 1/4

⇒ D/40 = 1/4

⇒ D = 10

∴ Distance covered to reach the destination is 10 km



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