With reference to Unmanned Aerial Vehicles (UAVs)

Q. With reference to Unmanned Aerial Vehicles (UAVs), consider the following statements :

I. All types of UAVs can do vertical landing.

II. All types of UAVs can do automated hovering.

III. All types of UAVs can use battery only as a source of power supply.

How many of the statements given above are correct?

(a) Only one

(b) Only two

(c) All the three

(d) None

Correct Answer: (d) None

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