Why is there a ticking noise on a range rover 1994?

Why is there a ticking noise on a range rover 1994?
Before I can answer that question, can you describe where the ticking noise is coming from? Front of the vehicle? Rear? Engine? Is it coming from your Wheels?
If its coming from the front of the vehicle you might require an oil change. If its coming from the rear of the vehicle it could be your axle. If its coming from your wheels it could be either wheel bearings or a backing plate for your brakes. Does it happen at regular intervals? Are they random and sporadic?