In Ravi's clock shop, two clocks were brought for repairs. One clock has the cuckoo coming out every sixteen minutes, while the other one has the cuckoo coming out every eighteen minutes. Both cuckoos come out at 12.00noon. When will they both come out together again?

Options

A. a) `2:06` PM
B. b) `2:08` PM
C. c) `2:24`PM
D. d) `2:32`PM

Answer

C

Explanation

LCM of 16 and 18 `=2 xx 8 xx 9=144`. Both Cuckoos will come out together again at
`12:00 +2:24 =2:24` PM