Two cogged wheels of which one has 32 cogs and other 54 cogs, work into each other. If the latter turns 80 times in three quarters of a minute, how often does the other turn in 8 seconds? (A) 12 Times (B) 24 Times (C) 32 Times (D) 65 Times►Correct Option Correct Option is: BNumber of turns required= 80 × 54/32 × 8/45 = 24 24 times