A single discount % equal to three successive discounts of 30%, 20% and 10%.
A. 49.6%
B. 50.4%
C. 40%
D. 60%
E. None of these

• (a)49.6%
  Let the initial preice be 100.
  30% discount on 100 is 30
  (100-30)=70
  20%discount on the 70 is 14
  (70-14)=56
  10%discount on the 56 is 5.6
  so the answer is 30+14+5.6=49.6
• 11 years agoHelpfull: Yes(9) No(2)
• answer is 49.65
  we can solve it as in logical concept
  that is
  (30% of 100)+20% of (30% of 100)+10% of (20% of(30% of 100)
  so
  30+14+5.6+49.6
• 9 years agoHelpfull: Yes(0) No(2)
• Answer is Option E because three successive increase of 30% ,20% and 10% gives total 71.6%increase
  but no option is there to increase 71.6% so option is none of these
• 9 years agoHelpfull: Yes(0) No(3)
• (100-10%)of(100-20%)of(100-30%)of 100=50.4
  100-50.4=49.6
  
• 9 years agoHelpfull: Yes(0) No(0)
• Let us assume the amount to be Rs.100
  30% discount of 100 is 70.
  20% discount of 70 is 56.
  10% discount of 56 is 50.4.
  
  x% discount of 100 is 50.4
  Therefore, x = 49.6%
• 8 years agoHelpfull: Yes(0) No(0)
• 100 - (70*80*90/10^6)=49.6%
• 7 years agoHelpfull: Yes(0) No(0)
• let amount =100
  after 30% discount=Rs 70
  further 20% discount=Rs 56
  further 10% discount =Rs 5.6
  so, 56-5.6=50.4% Ans
• 6 years agoHelpfull: Yes(0) No(0)
• Let us take initial amount as 100/-
  30% of 100 is (30/100)*100=30, so discount means subtract 30 from 100, it will give 70
  ANSWER: (A) 49.6%
  EXPLANATION:
  20% of 70 is (20/100)*70=14, subtract it from 70, it will give 56
  10% of 56 is 5.6, subtract it from 56, it will give 50.4%
  Finally, subtract 50.4% from original amount, it will give 49.6%
• 6 years agoHelpfull: Yes(0) No(0)