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The sequence of numbers C1, C2, C3, … Cn…is defined by C1 = 1, C2 = 1, and Cn = 0.2Cn-1 for each integer n greater than 2. Quant
The sequence of numbers C1, C2, C3, … Cn…is defined by C1 = 1, C2 = 1, and Cn = 0.2Cn-1 for each integer n greater than 2. Quant
admin
2019-10-11
59
问题
The sequence of numbers C
1
, C
2
, C
3
, … C
n
…is defined by C
1
= 1, C
2
= 1, and C
n
= 0.2C
n-1
for each integer n greater than 2.
Quantity A: C
6
Quantity B: 25
3
× 0.2
10
选项
A、Quantity A is greater.
B、Quantity B is greater.
C、The two quantities are equal.
D、The relationship cannot be determined from the information given.
答案
C
解析
C
3
=0.2,C
4
=0.2
2
,C
5
=0.2
3
,C
6
=0.2
4
;
25
3
×0.2
10
=5
6
×0.2
6
×0.2
4
=1
6
×0.2
4
=0.2
4
。
C
6
=25
3
×0.2
10
,故答案为C。
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本试题收录于:
GRE QUANTITATIVE题库GRE分类
0
GRE QUANTITATIVE
GRE
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