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Mathematics 21 Online
OpenStudy (anonymous):

Six bells commence tolling together and toll at intervals of 2, 4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together? (a) 4 (b) 10 (c) 15 (d) 16 explain plz?

OpenStudy (anonymous):

u frm india.......???

OpenStudy (anonymous):

bcos it will act as the meeting point of all the intervals

OpenStudy (anonymous):

Find the next number in the series.. 3,7,32,211, ?, ?

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