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A discount of 20% on an order of goods followed by a discount of 10% a

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A discount of 20% on an order of goods followed by a discount of 10% a  [#permalink]

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New post 09 Jan 2019, 02:52
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

84% (01:09) correct 16% (01:02) wrong based on 24 sessions

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A discount of 20% on an order of goods followed by a discount of 10% amounts to

(A) less than one 15% discount
(B) the same as one 15% discount
(C) the same as one 30% discount
(D) less than a discount of 10% followed by a discount of 20%
(E) the same as a discount of 10% followed by a discount of 20%

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Re: A discount of 20% on an order of goods followed by a discount of 10% a  [#permalink]

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New post 09 Jan 2019, 03:59
Bunuel wrote:
A discount of 20% on an order of goods followed by a discount of 10% amounts to

(A) less than one 15% discount
(B) the same as one 15% discount
(C) the same as one 30% discount
(D) less than a discount of 10% followed by a discount of 20%
(E) the same as a discount of 10% followed by a discount of 20%



let amount be 100

so given 100*.8*.9 = 72
this is same as option e
100*.9*.8 = 72
IMO E
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Re: A discount of 20% on an order of goods followed by a discount of 10% a   [#permalink] 09 Jan 2019, 03:59
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