2. 外语
  3. The numbers 3, 10, 17, 24, 31 and 38 are the first six terms of an infinite sequence in which each term after first is 7 greater

The numbers 3, 10, 17, 24, 31 and 38 are the first six terms of an infinite sequence in which each term after first is 7 greater

admin2021-10-21  27
问题 The numbers 3, 10, 17, 24, 31 and 38 are the first six terms of an infinite sequence in which each term after first is 7 greater than the preceding term. What is the 45th term of the sequence?
选项 A、308
B、311
C、312
D、315
E、318
答案B
解析 题目中的序列是一个等差数列a1=3，公差d=7，那么a45=a1+(45-1)×7=311。
转载请注明原文地址:https://kaotiyun.com/show/qCtO777K
本试题收录于： GMAT QUANTITATIVE题库GMAT分类
0

GMAT QUANTITATIVE

GMAT

相关试题推荐
随机试题
最新回复(0)