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A single discount equivalent to three successive discounts
of 20%, 25% and 10% is
a) 55% b) 50% c)48% d)46%
plz specify the method... thanks
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Answer / psunil
Shortcut formula for 3 successive discount formula if successive discounts given are a, b, c then total discount is a + b + c – (ab/100 +bc/100 + ca/100 – abc/10000)
20 + 25 + 10 – [20×25/100 + 25×10/100+10×20/100 – 20×25×10/10000]
= 55 – [5 + 2.5 + 2 – 0.5]
= 55 – [9.5 – 0.5]
= 46
----
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / sanjib routh
Let MP=100
SP=100*80/100*75/100*90/100 = 54
Equal to a single discount = (100-54)=46% Answer
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / kikz
Try finding out this one 30 %, 20%, 10%
(a) 60% (b) 50.4% (c) 50 (d) 49.6%
I got three different answers by three different methods.
| Is This Answer Correct ? | 2 Yes | 1 No |
Answer / muhammad chaudhary
100-20=80
100-25=75
100-10=90
now multiply (80*75*90)=ans
100-ans.
| Is This Answer Correct ? | 8 Yes | 8 No |
Answer / alia samreen...
100*(80/100*75/100*90/100)=54
let single discount be = d%
100(100-d)/100=54
d=46
So, Answer is 46...
| Is This Answer Correct ? | 1 Yes | 1 No |
Answer / jyoti
this que is solve
100-100*20/100=80
80-80*15/100=68
68-68*10/100=61.2
100-61.20=38.8
ans-38.8
| Is This Answer Correct ? | 1 Yes | 1 No |
Answer / sunil pradhan
Formula for 3 successive discount
A + B + C – (AB/100 + BC/100 + CA/100 – ABC/10000)
A = 20% B = 25% and C = 10%
Overall discount = 20 + 25 + 10 – (20×25/100 + 25×10/100 + 10×20/100 – 20×25×10/10000)
= 55 – (5 + 2.5 + 2 – 0.5)
= 55 – 9
= 46%
Option D
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / rohit shah
the formula to calculate successive discount is
c=a+b+(a*b)/100, first take 20% n 25%
then use the formula with c & 10%
| Is This Answer Correct ? | 18 Yes | 29 No |
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