Of a mutual instrument vibrate 6,8 & 12 intervals respectively. If all three vibrate together what is the time interval before all vibrate together agai

• AFTER 24 UNIT TIME.. AS LCM OF 6,8,12 IS 24...
• 10 years agoHelpfull: Yes(24) No(0)
• LCM OF 6,8,12=24
  
• 10 years agoHelpfull: Yes(8) No(3)
• Take the LCM and you are done with the solution i.e. LCM(6,8,12) = 24
  The handy trick to remember whether to use LCM or HCF is generalise by following
  suppose two clock rings at an interval of 2,3 sec
  Clock1 : 2.....4....6
  Clock2 : ...3.......6
  see the time where it intersects i.e. at 6 which is the LCM of(2,3). Its just for those who gets confused whether to use HCF or LCM in this typo question !
  
• 10 years agoHelpfull: Yes(8) No(0)
• lcm of 6,8,12=24
  after 24 unit time all vibrate together again.
• 10 years agoHelpfull: Yes(3) No(0)
• LCM of 6,8,12----24
• 10 years agoHelpfull: Yes(3) No(1)
• In question, they asked before
  hence we have to take HCF of these three terms
  
  then the amswer will be 2
  
  If they asked after then we will go for LCM and answer will be 24
• 9 years agoHelpfull: Yes(1) No(0)
• 8 intervals
  
• 10 years agoHelpfull: Yes(0) No(4)
• lcm of 6,8,12=24
• 9 years agoHelpfull: Yes(0) No(0)
• after 24 .as d lcm of 6,8,12 is 24
• 7 years agoHelpfull: Yes(0) No(1)