Q. If 168 men can build a wall of 3150mtr long in 36 days; then how many men r required to build a wall of 3900mtr long in 24 days

• m2* h1 * d1=m1 * h2 * d2
  m2=(m1*h2*d2)/(h1*d1)
  =(168*3900*24)/(3150*36)
  =appr 139
  
• 10 years agoHelpfull: Yes(0) No(0)