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For all integers a, b, c, and d, *(a, b, c, d) is defined as a – b + c

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For all integers a, b, c, and d, *(a, b, c, d) is defined as a – b + c  [#permalink]

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Updated on: 02 Nov 2018, 04:10
00:00

Difficulty:

15% (low)

Question Stats:

87% (00:35) correct 13% (00:28) wrong based on 25 sessions

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For all integers a, b, c, and d, *(a, b, c, d) is defined as a – b + c – d. What is the value of *(1, 3, 8, 5)?

(A) – 1
(B) 0
(C) 1
(D) 2
(E) 3

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Originally posted by pushpitkc on 02 Nov 2018, 04:08.
Last edited by Bunuel on 02 Nov 2018, 04:10, edited 1 time in total.
EDITED.
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Joined: 26 Mar 2015
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Re: For all integers a, b, c, and d, *(a, b, c, d) is defined as a – b + c  [#permalink]

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04 Nov 2018, 03:23
*(a, b, c, d) is defined as a – b + c – d
*(1, 3, 8, 5) = 1-3+8-5 = 9-8 = 1 C
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Re: For all integers a, b, c, and d, *(a, b, c, d) is defined as a – b + c  [#permalink]

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04 Nov 2018, 03:39
$$1-3+8-5=1$$

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Re: For all integers a, b, c, and d, *(a, b, c, d) is defined as a – b + c   [#permalink] 04 Nov 2018, 03:39
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