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# If b = a + c and b = 3, then ab + bc =

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Math Expert
Joined: 02 Sep 2009
Posts: 58428
If b = a + c and b = 3, then ab + bc =  [#permalink]

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Updated on: 24 Jul 2019, 05:37
00:00

Difficulty:

5% (low)

Question Stats:

100% (00:56) correct 0% (00:00) wrong based on 21 sessions

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If b = a + c and b = 3, then ab + bc =

(A) $$\sqrt{3}$$
(B) 3
(C) $$3 \sqrt{3}$$
(D) 9
(E) 27

Source: Nova GMAT
Difficulty Level: 500

_________________

Originally posted by Bunuel on 10 Apr 2019, 21:45.
Last edited by SajjadAhmad on 24 Jul 2019, 05:37, edited 1 time in total.
GMAT Club Legend
Joined: 18 Aug 2017
Posts: 5031
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
Re: If b = a + c and b = 3, then ab + bc =  [#permalink]

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11 Apr 2019, 00:46
Bunuel wrote:
If b = a + c and b = 3, then ab + bc =

(A) $$\sqrt{3}$$
(B) 3
(C) $$3 \sqrt{3}$$
(D) 9
(E) 27

b=a+c
b=3
so ab+bc ; b(a+c) ; b^2 ; 9
IMO D
Re: If b = a + c and b = 3, then ab + bc =   [#permalink] 11 Apr 2019, 00:46
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