If 20 men take 30 days to complete a job. In how many days can 25 men complete the job?
a)28 days
b)24 days
c)36 days
d)20 days

• b)24 days
  
  If 20 men take 30 days to complete a job.
  
  25 men can complete the job in 30*20/25 = 24 days...... option b)
• 12 years agoHelpfull: Yes(3) No(0)
• b)24
  work always remains constant as no of people is inversely proportional to time taken
  20*30=25*x
  x=24
• 11 years agoHelpfull: Yes(1) No(0)