A , B, C works together and complete a work in 36 days. A and B can do the work same as twice of C, and A & C can do the work same as thrice of B. So in How many days C can do the work alone.

• A+B+C ONE DAY WORK = 1/36
  C ONE DAY WORK = 1/X
  A+B ONE DAY WORK = 2( C ONE DAY WORK) = 2/X
  2/X+1/X=1/36
  3/X=36
  X=108
  
• 10 years agoHelpfull: Yes(38) No(0)
• Given
  36(a+b+c) = 1
  a+b = 2c
  a+c = 3b
  Equating the value;
  36(2c+c) = 1
  36(3c) = 1 --> c = 1/108
  Hence c takes 108 days
• 10 years agoHelpfull: Yes(14) No(0)
• 108. days.(a+b+c)1's work is 1/36.bt a+b=2c
  so c's 1 day work is 3c=1/36
  c=1/108.so total work done by c alone in 108 days
  
• 10 years agoHelpfull: Yes(4) No(0)
• a+b+c=1/36
  also
  1/a+1/b=2/c &
  1/a+1/c=3/b
  from solving eqn. 1 & 2 c=108 days
• 10 years agoHelpfull: Yes(3) No(0)
• Given a+b+c=1/36
  and a+b=2c;
  a+c=3b therefore we can write a+b+c=1/36 as 2c+c=1/36
  thereafter 3c=1/36
  and c=1/108
  C can do the work in 108 days
• 10 years agoHelpfull: Yes(3) No(0)
• 1day'Work(A+B+c)=1/36
  1day'Work(A+B)=1/36-1day'Work(c)
  again,1day'Work(A+B)=2*1day'Work(c)
  .'. 1/36-1day'Work(c)=2*1day'Work(c)
  .'.3*1day'Work(c)=1/36
  .'.1day'Work(c)=1/108
  .'.108 day'Work(c)=1
• 10 years agoHelpfull: Yes(2) No(0)
• A+B+C=36,A+B=2C
  so A=2C-B
  subs. in 1st equ. for A
  2C-B+B+C=36
  3C=36
  C=12,A=15,B=9
  check:A+C=3B
  15+12=3(9)
  so C can do in 12 days
• 10 years agoHelpfull: Yes(2) No(1)
• ANS 108
  RIGHT I THINK WHAT ARE THE OPTIONS
  
• 10 years agoHelpfull: Yes(1) No(1)
• 108 totally right ans
  
• 10 years agoHelpfull: Yes(1) No(1)
• a+b+c=1/36
  a+b=2c
  a+c=3b
  2c+c=1/36
  c=1/108
  c can do work in 108 days
  
• 10 years agoHelpfull: Yes(1) No(0)
• a+b+c=1/36
  a+b=2c
  a+c=3b
  2c+c=1/36
  c=1/108
  hence c will do in 108 days
• 10 years agoHelpfull: Yes(1) No(0)
• 108 days
  a+b+c=1/36 where a=work done by the a in one day
  a+b=2c
  3c=1/36
  c=1/108
• 10 years agoHelpfull: Yes(1) No(1)
• 1/a+1/b+1/c=1/36
  2/c+1/c=1/36
  C=36*3=108
• 10 years agoHelpfull: Yes(1) No(0)
• ans=12 a+b+c=36 a+b=2c,a+c=3b on solving it 2c+c=36 c=12
• 10 years agoHelpfull: Yes(1) No(1)
• a+b+c=36
  3(a+b)=c
  3(a+c)=b
  on solving we get c=27 days
  
• 10 years agoHelpfull: Yes(1) No(1)
• A+B+C ONE DAY WORK=1/36.......... (1)
  GIVEN THAT A+B=2C.............. (2)
  PUT EQU.( 2) ON EQU. (1)
  2C+C=1/36
  BY SOLVING C=108
• 10 years agoHelpfull: Yes(1) No(0)
• c will do in 108days
• 10 years agoHelpfull: Yes(0) No(0)
• can u xplain how its ans is 108.
  
• 10 years agoHelpfull: Yes(0) No(2)
• 1 day work of A+B+C=1/36
  A+B=2C
  A+C=3B
  1/36=3C
  C=108
• 9 years agoHelpfull: Yes(0) No(0)