a light flashes every 6 seconds, how many times will it flash in ? of an hour?	Choose the correct option:
A) 550  B) 600  C) 650  D) 700  E) 750

Rationale: "1 flash = 6 sec for 1 min = 10 flashes so for 1 hour = 10 * 60 = 600 flashes . answer : b"
Answer: B