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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.
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warriorguy
In the finite sequence of positive integers \(K_1\), \(K_2\), \(K_3\), ..., \(K_9\), each term after the second is the sum of the two terms immediately preceding it. If \(K_5 = 18\), what is the value of \(K_9\) ?


(1) \(K_4 = 11\)

(2) \(K_6 = 29\)


k5=18
k9=?
(1) k4=11

k5=k4+k3
18=11+k3
k3=7

Therefore sufficient

(2) k6=29
k6=k5+k4
29=18+k4
k4=11

Therefore sufficient.

These statements are sufficient because we can use to previous two values to find the values of the next term and carry on with the process to find the value of k9.

D
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