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

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Math Expert
Joined: 02 Sep 2009
Posts: 55803
A discount of 20% on an order of goods followed by a discount of 10% a  [#permalink]

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09 Jan 2019, 02:52
00:00

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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Joined: 18 Aug 2017
Posts: 3947
Location: India
Concentration: Sustainability, Marketing
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WE: Marketing (Energy and Utilities)
Re: A discount of 20% on an order of goods followed by a discount of 10% a  [#permalink]

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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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