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If j = 9 and k = 9, what is the value of 3j 3k + jk ? (A) 135 (B)
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28 Sep 2022, 06:57
28 Sep 2022, 06:57
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Question Stats:
72% (00:57) correct
27% (00:52) wrong based on 22 sessions
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If j = 9 and k = −9, what is the value of 3j − 3k + jk ?
(A) 135
(B) 54
(C) 27
(D) −27
(E) −54
(A) 135
(B) 54
(C) 27
(D) −27
(E) −54
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GRE Math Essentials (2022)
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Joined: 02 Jan 2020
Status:GRE Quant Tutor
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Concentration: General Management
Schools: XLRI Jamshedpur, India - Class of 2014
GMAT 1: 700 Q51 V31
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Re: If j = 9 and k = 9, what is the value of 3j 3k + jk ? (A) 135 (B)
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28 Sep 2022, 09:20
28 Sep 2022, 09:20
1
Given that j = 9 and k = −9 and we need to find the value of 3j − 3k + jk
3j − 3k + jk = 3*9 - 3*(-9) + 9*(-9) = 27 + 27 - 81 = 54 - 81 = -27
So, Answer will be D
Hope it helps!
3j − 3k + jk = 3*9 - 3*(-9) + 9*(-9) = 27 + 27 - 81 = 54 - 81 = -27
So, Answer will be D
Hope it helps!
gmatclubot
Re: If j = 9 and k = 9, what is the value of 3j 3k + jk ? (A) 135 (B) [#permalink]
28 Sep 2022, 09:20
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