12 divides, ab313ab (in decimal notation, where a,b are digits>0, the smallest value of a+b is

Options
o 7
o 6
o 2
o 4

• the ans is 7(a)
  the number divisible by 12 should be divisible by 4&3
  7 can be written as 5+2 a=5 b=2... so we get is "5231352" it is divisible by 12...
• 11 years agoHelpfull: Yes(33) No(14)
• If a number is divisible by 12 then it should be divisible by 4&3
  for divisible by 4 last [2 digit]no's should be divisible by 4
  so last no's are 12,15,18,,,,,,and soon..
  now least is 12 it,. 3 which is not the option,,
  no other least is 16 it's sum 1+6=7..
  so 7 is option :)
• 11 years agoHelpfull: Yes(33) No(11)
• ans:7 the no divisible by 12 it must divisible by 3 and 4 for 3 bivisible sum must be divisible by 3 and for 4 last 2 digitd divisible by 4 s0 a=5,b=2 52 divisible by 4 sum 21 divisible by 3 so a+b=7
• 11 years agoHelpfull: Yes(8) No(5)
• The answer is 4.
  a + b = 4 .
  let us take a=4 , b=0
  then the number will be 4031340
  
  4+0+3+1+3+4+0 = 15 divisible by 3 and the last two digits also divisible by 4 .
  
  
• 9 years agoHelpfull: Yes(3) No(18)
• no should be divisible by 4 and 3. so
  no.s are 12,24,..
  1+2=3 is not the option so 2+4= 6 is the answer
• 11 years agoHelpfull: Yes(2) No(14)
• the ans is 7(a)
  the number divisible by 12 should be divisible by 4&3
  7 can be written as 5+2 a=5 b=2... so we get is "5231352" it is divisible by 12
  this is correct
• 11 years agoHelpfull: Yes(2) No(2)
• Ans is 4. Div by 12 means it should divisible by 3,4.we have 2 possibilities for last 2 values 4+0 and2+5 for div by 4 so 4+0 is ans
• 8 years agoHelpfull: Yes(2) No(0)
• the best approach is to go optionwise.. 2 will not satisfy as 7+2x will make 11 which is not divisible by 3. hence 4 is the correct option. moreover 4 can be written as a sum of at least one even number . so the last digit will be even.
• 8 years agoHelpfull: Yes(1) No(0)
• guys 4 is wrong answer because 40 is only no that is devisible by 4 and whole no is also devisible by 3 so a =4 and b=0 but in question it is clearly mention that a,b>0 so ans is 7 and a should be 5 and b is 2.
• 4 years agoHelpfull: Yes(1) No(0)
• How is 16 being cosideredin srivatsav's answer? Can someone pls explain?
• 11 years agoHelpfull: Yes(0) No(5)
• the answer will be 7 bcz 4,0 cannot be taken as a and b values bcz if a=0 the first place canot be placed with zero if so it becomes a 6 digit number so it conflicts
• 7 years agoHelpfull: Yes(0) No(1)
• hii everyone,
  i have a small doubt in the given below question
  IF B4B2B (IN DECIMAL NOTATION ,WHERE A,B ARE DIGITS > 0) IS DIVIDED BY 15 ,THEN THE SMALLEST VALUE OF B IS.
  can any one explain for this question
• 6 years agoHelpfull: Yes(0) No(0)