In a shop, there are three clocks which chime at intervals of 15, 20 a – McqOptions

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1.	In a shop, there are three clocks which chime at intervals of 15, 20 and 30 minutes respectively. They all chime together at 10 a.m. At what time will they all chime together again?
A.	10 : 45 a.m.
B.	10 : 50 a.m.
C.	11 : 15 a.m.
D.	11 a.m.
Answer» E.

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