P starts walking at a speed of 8 km/h. After 8 hours, B starts travelling on a bicycle at a speed of 24 km/h. What is the distance from the starting point where B can catch A?

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Step 1: Calculate the head start distance of P.
P walks for 8 hours at 8 km/h, so distance = 8 * 8 = 64 km.

Step 2: Calculate the relative speed of B with respect to P.
B's speed = 24 km/h, P's speed = 8 km/h.
Relative speed = 24 - 8 = 16 km/h.

Step 3: Calculate the time taken by B to catch P.
Time = Distance / Relative Speed = 64 / 16 = 4 hours.

Step 4: Calculate the distance from the starting point where B catches P.
Distance = B's speed * time after B starts = 24 * 4 = 96 km.

Therefore, B catches P at 96 km from the starting point.

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