In the context of the recent launch of the Rohini-200 Sounding Rocket, consider the following statements:

a. RH-200 is a two-stage rocket capable of climbing to a height of 70 km bearing scientific payloads. 

b. The ‘200’ in the name denotes the length of the rocket in mm. 

c. The first and second stages of RH-200 are powered by solid motors. 

Which of the statements given above is/are correct?