how many three digit numbers divisible by 6 the number are in consecutive and without repetition of digit (i. e. 876, 687) not (102) means zero not allowed asked in pune 11/6/2016

• ans is 20
  123 give 2 i.e 132 and 312
  234 give 4 234 324 342 432
  345 give 2 and so on
  456 give 4
  567 give 2
  678 give 4
  and 789 give 2
  total 20
• 6 years agoHelpfull: Yes(37) No(6)
• A number to be divisible by 6 it must be a divisible of both 2 & 3.
  There are total 14 consecutive 3 digit numbers i.e 123,234,345,456,567,678,789,321,432,543,654,765,876,987 in which only 6 numbers are divisible by 6 they are 234,456,678,432,654,876. Hence, the answer is 6.
• 6 years agoHelpfull: Yes(7) No(18)
• options are a) 18 b) 19 c) 20 d) 24
• 6 years agoHelpfull: Yes(3) No(1)
• how to solve this question ? please give proper approach
• 6 years agoHelpfull: Yes(2) No(1)
• 19 check iy
• 6 years agoHelpfull: Yes(1) No(4)
• There will be 20 numbers
• 6 years agoHelpfull: Yes(1) No(3)
• ans is 18
  num=123,234,345,456,567,678.789
  
  only 234,456,678 is divisible by 6
  ways of arranging 234=3!
  ways of arranging 456=3!
  ways of arranging 678=3!
  total way=3!+3!+3!
  =6+6+6
  =18
• 6 years agoHelpfull: Yes(1) No(5)
• 18 is the answer?iam i correct?
• 6 years agoHelpfull: Yes(0) No(7)
• 996 = 102+(n-1)*6
  n = 150
• 4 years agoHelpfull: Yes(0) No(1)