Each of X alarm tolls at regular intervals. All of them tolls together – McqOptions

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1.	Each of X alarm tolls at regular intervals. All of them tolls together twelve times a day. No two alarm at equal intervals of time. If each alarm tolls after a whole number of minutes, what is the maximum possible value of X?
A.	20
B.	18
C.	16
D.	14
Answer» D. 14

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