if an integer is divisible by 6 and 9,then an integer must be divisible by which of the following?

A)12
B)18
C)24
D)36
E)54

• Option (b) 18 is answer
  LCM(6,9)=18 so
  Any number is divisible by 6 and 9 must be divisible by 18
• 12 years agoHelpfull: Yes(33) No(2)
• if an integer is divisible by 6 and 9,then an integer must be divisible by 18...because the LCM of that two given no.produces 18 for which 6 and 9 are multiples of 18.
  
• 12 years agoHelpfull: Yes(6) No(2)
• B)18
  lcm of 6&9
  
• 12 years agoHelpfull: Yes(4) No(1)
• The answer is B
  18
• 12 years agoHelpfull: Yes(3) No(1)
• but 54 is also a multiple 9 an 6 and it will also divided by 54 so 54 might also b correct.....so confusing
  plz explain
• 12 years agoHelpfull: Yes(2) No(2)
• simply find out the LCM of the numbers which will yield u the answer.
  LCM(6,9)=18 so (b)is answer.
• 12 years agoHelpfull: Yes(1) No(0)
• 18...lcm of 6 and 9.
• 12 years agoHelpfull: Yes(1) No(0)
• 18 its lcm of 6 & 9
• 12 years agoHelpfull: Yes(1) No(0)
• Ans is B because disivility rule for 6 is no divisible by 2 and 3, and divisibility rule for 9 is the sum of no's digit is divisible by 9.
  
• 12 years agoHelpfull: Yes(0) No(1)
• ans will be 18 as lcm of 6 and 9 is 18
• 12 years agoHelpfull: Yes(0) No(1)
• LCM OF 6,9 IS 18
  ANSWER IS B
• 12 years agoHelpfull: Yes(0) No(0)