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 ?

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#Question id: 11854

#General Aptitude

Find the least number which when divided by 20,25,35 and 40 leaves reminders 14,19,29 and 34 respectively.

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#Question id: 11855

#General Aptitude

The least number which when divided by 5,6,7 and 8 leaves a reminder 3, but when divided by 9 leaves no reminder is.

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#Question id: 11856

#General Aptitude

Find the least number which when divided by 5 , 7 , 11 leaves reminders 1 , 2 , 4 respectively.

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#Question id: 11857

#General Aptitude

Find the least number which when divided by 5 , 7 , 11 leaves reminders 1 , 2 , 3 respectively.

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#Question id: 11858

#General Aptitude

A, B and C start at the same time in the same direction to run around a circular stadium . A completes a round in 252 seconds , B in 308 seconds and C in 198 seconds all starting at the same point . After what time will they meet again at the starting point ?

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#Question id: 11860

#General Aptitude

The traffic lights at three different road crossing change after every 48 sec , 72 sec, and 108 sec. Respectively . If they all change simultaneously at 8 : 20 : 00 hours , then at what time will they again change simultaneously ?