Bunuel wrote:
The sequencea_1 ,a_2 ,a_3 , ... ,a_n , ... is such thata_n=\frac{a_{n-1}+a_{n-2}}{2} for alln\geq{3} . Ifa_3 = 4 anda_5 = 20 , what is the value ofa_6 ?
(A) 12
(B) 16
(C) 20
(D) 24
(E)28
Diagnostic Test
Question: 3
Page: 20
Difficulty: 600
Question: 3
Page: 20
Difficulty: 600
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