Q. Virani wants to buy 19 balloons for a party of these most of the balloons need to be red 11 need to be blue and yellow at least one needs to be pink, how many pink balloons can Virani buy ?

• blue and yellow-11 ballons
  red ballons-7
  pink--1
• 10 years agoHelpfull: Yes(0) No(0)
• 19-11=8
  so out of 8 one will be pink
  now we are left with 7 balloons
  out of 11 balloons 6 may be blue or yellow
  but red balloons must be maximum in number
  so all the 7 balloons have to be red in color
  therefore, she can buy only one pink balloon
• 10 years agoHelpfull: Yes(0) No(0)