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Joined: 04 Aug 2016
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In the finite sequence of positive integers K1, K2, K3, . . . , K9, ea
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09 Apr 2017, 09:23
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83% (00:46) correct 17% (00:51) wrong based on 124 sessions
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In the finite sequence of positive integers K1, K2, K3, . . . , K9, each term after the second is the sum of the two terms immediately preceding it. If K5 = 18, what is the value of K9 ? (1) K4 = 11 (2) K6 = 29
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Re: In the finite sequence of positive integers K1, K2, K3, . . . , K9, ea
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17 Apr 2017, 14:49
K1 K2 K3 K4 K5 K6 K7 K8 K9
K5 = K4 + K3 = 18 K9 = K7 + K8 = ?
Statement 1: K4 = 11 Using K4 and K5 we can find K6, then K7 and so on.
This statement is sufficient.
Statement 2: K6 = 29 Using K5 and K6 we can find K7, then K8 and so on.
This statement is sufficient.
Answer is D



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Re: In the finite sequence of positive integers K1, K2, K3, . . . , K9, ea
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10 Oct 2017, 12:03
Ans D. k 5 = 18 > k4 + k3 = k5
1) K 4 = 11 K4 +K3 = K5> k3 = 18 11 SUFF
2) K 6 = 29 K 6 = K5 + K 4 29 = 18 + K 4 K 4 = 11
SUFF
Ans D.




Re: In the finite sequence of positive integers K1, K2, K3, . . . , K9, ea &nbs
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10 Oct 2017, 12:03






