Problems on H.C.F and L.C.M on Arithmetic Aptitude related Questions and Answers


Question :   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 ?


1. 4
2. 10
3. 15
4. 16
Answer :   4 - 16  

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