Railways PYQCBT 1 2016

RRB NTPC · Question 62

Orbital period of Halley’s comet is ______ years. A. 25 B. 50 C. 76 D. 100

  1. B

  2. D

  3. A

  4. C

Show answer & explanation

Answer: (D) C

Explanation

Halley's Comet returns roughly every 76 years (about 75–79). It was last seen in 1986 and will next appear in 2061.