there is sufficient salary to give A for 10 days and B for 15 days then how many days will the money last if both has to be given the salary?
a) 7
b)7.5
c)12.5
d)8

• A's 1 day's salary=1/10
  B's 1 day's salary=1/15
  together their 1 day's salary=1/10+1/15
  =3/30+2/30
  =5/30
  =1/6
  so the money will be
  enough for paying them both for 6 days
• 12 years agoHelpfull: Yes(7) No(0)
• 10+15/2=12.5
• 13 years agoHelpfull: Yes(0) No(12)