the number of gift pack brought by panda is one more than the price in rupeesof each gift pack.the amount of Rs 380 which panda had,fell short of the required amount .what is the amount by which he might have fallen short ?
a-20
b-40
c-21
d-10

• ans:-b
  given that number of gift pack brought by panda is one more than the price in ruppes for each pack
  panda had 380 ruppees which fell short of required ammount
  from above condition we can factrorized the money into quantity*(quantity+1);
  apply hit and trail method
  1.380+20=400=20*20 false
  2.380+40=420=20*21 true
  3.380+21=401 no factor
  4.380+10=390=39*10 false
  so ans is b
• 9 years agoHelpfull: Yes(1) No(0)
• it is clear that 19 x 20 = 380 by inspection.. so clearly 20 x 21 will be the amount required thus 420-380=40 is the correct ans
• 8 years agoHelpfull: Yes(1) No(0)