DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 The trains that use magnets to float above a track is called Maglev (Magnetic Levitadon) trains. This trains work on the principle that like poles repel and unlike poles attract each other. Due to magnetic force of attraction and repulsion this vehicle moves in forward direction. This train does not require wheels. Maglev trains work on the principle that

• A. like poles repel each other
• B. unlike poles attract each other
• C. both (a) and  (b)
• D. None of these