Q. A school has enough food for 400 children for 12 days. How long will the food last if 80 more children join them?

Option
(a) 6 days
(b) 7 days
(c) 10 days
(d) 8 days

• c)10 days
  Total quantity 400*12=4800
  Therefore for 480=4800/480=10
• 12 years agoHelpfull: Yes(14) No(0)
• M1=400, D1=12 & M2=480(400+80), D2=?
  
  M1*D1=M2*D2
  
  400*12=480*D2
  
  D2= 400*12/480
  = 10 dys...
  
• 9 years agoHelpfull: Yes(5) No(0)
• 400*12/480=10 days
  
• 11 years agoHelpfull: Yes(3) No(0)
• 400*12/480=10 days
• 10 years agoHelpfull: Yes(1) No(0)
• chilrn= 400
  day= 12
  1 chlrn food for = 1/400*12= 1/4800;
  80 more chilrn add
  than
  total chidllrn= 480
  food day = total chirln / food for 1 childrn
  480/4800=> 1/10 mean
  ans = 10 days
  
  
• 10 years agoHelpfull: Yes(1) No(0)
• ans is opt c) 10 days
  
  400 c=12 d
  480 c=? ==(400*12)/480 = 10 days
• 10 years agoHelpfull: Yes(0) No(0)
• 400 children=12 days
  1 children=400*12 days
  480 children=(400*12)/480=10days
  option(c)
• 9 years agoHelpfull: Yes(0) No(0)
• 400*12=480*x
  x=10
• 9 years agoHelpfull: Yes(0) No(0)
• M1T1=M2T2 400*12/480=10
• 8 years agoHelpfull: Yes(0) No(0)