更多"If n is a positive integer, is the "的相关试题:
[单项选择]If n is a positive integer and n2 is divisible by 72, then the largest positive integer that must divide n is
A. 6
B. 12
C. 24
D. 36
E. (E) 48
[单项选择]For any positive integer n, n＞1, the "length" of n is the number of positive primes (not necessarily distinct) whose product is n. For example, the length of 50 is 3 since 50=(2)(5)(5)
Which of the following integers has length 3 ？（）
A. 3
B. 15
C. 60
D. 64
E. 105
[单项选择]When 10 is divided by the positive integer n, the remainder is n-4. Which of the following could be the value of n ？（）
A. 3
B. 4
C. 7
D. 8
E. 12
[单项选择]If n is a positive integer, then n(n+1)(n+2) is ？（）
A. even only when n is even
B. even only when n is odd
C. odd whenever n is odd
D. divisible by 3 only when n is odd
E. divisible by 4 whenever n is even
[单项选择]If n is a positive integer and k+2=3n, which of the following could NOT be a value of K ？（）
A. 1
B. 4
C. 7
D. 25
E. 79
[单项选择]If n is a positive integer and k=5.1×10n, what is the value of k ？（）
(1)6,000＜k＜500,000
(2)k2=2.601×109
A. 条件(1)充分，但条件(2)不充分．
B. 条件(2)充分，但条件(1)不充分．
C. 条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．
D. 条件(1)充分，条件(2)也充分．
E. 条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．
[单项选择]What is the remainder when the positive integer x is divided by 2 ？（）
(1)x is an odd integer.
(2)x is a multiple of 3.
A. 条件(1)充分，但条件(2)不充分．
B. 条件(2)充分，但条件(1)不充分．
C. 条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．
D. 条件(1)充分，条件(2)也充分．
E. 条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．
[单项选择]What is the least positive integer that is divisible by each of the integers 1 through 7, inclusive ？（）
A. 420
B. 840
C. 1,260
D. 2,520
E. 5,040
[单项选择]Can the positive integer p be expressed as the product of two integers, each of which is greater than 1 ？（）
(1)31＜p＜37
(2)p is odd
A. 条件(1)充分，但条件(2)不充分．
B. 条件(2)充分，但条件(1)不充分．
C. 条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．
D. 条件(1)充分，条件(2)也充分．
E. 条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．
[单项选择]What is the tens digit of positive integer x ？（）
(1)x divided by 100 has a remainder of 30.
(2)x divided by 110 has a remainder of 30.
A. 条件(1)充分，但条件(2)不充分．
B. 条件(2)充分，但条件(1)不充分．
C. 条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．
D. 条件(1)充分，条件(2)也充分．
E. 条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．
[单项选择]If a is a positive integer, and if the units' digit of a2 is 9 and the units' digit of (a+1)2 is 4, what is the units' digit of (a+2)2 ？（）
A. 1
B. 3
C. 5
D. 7
E. 9
[单项选择]Is the positive integer x an even number ？（）
(1)If z is divided by 3, the remainder is 2.
(2)If x is divided by 5, the remainder is 2.
A. 条件(1)充分，但条件(2)不充分．
B. 条件(2)充分，但条件(1)不充分．
C. 条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．
D. 条件(1)充分，条件(2)也充分．
E. 条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．
[单项选择]有如下函数：
Function fun(a As Integer, n As Integer) As Integer
Dim m As Integer
While a＞=n
a=a-n
m=m+1
Wend
fun=m
End Function
该函数的返回值是
A. a乘以n的乘积
B. a加n的和
C. a减n的差
D. a除以n的商(不含小数部分)
[单项选择]For the positive numbers, n, n+1, n+2, n+4 and n+8, the mean is how much greater than the median ？（）
A. 0
B. 1
C. n+1
D. n+2
E. n+3
[单项选择]Is the integer n a multiple of 140 ？（）
(1) n is a multiple of 10.
(2) n is a multiple of 14.
A. 条件(1)充分，但条件(2)不充分．
B. 条件(2)充分，但条件(1)不充分．
C. 条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．
D. 条件(1)充分，条件(2)也充分．
E. 条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．
[单项选择]在Java中，Integer.MAX_VALUE表示( )。
A. 浮点类型最大值
B. 整数类型最大值
C. 长整型最大值
D. 以上说法都不对
[单项选择]When the integer n is divided by 6, the remainder is 3. Which of the following is NOT a multiple of 6 ？（）
A. n-3
B. T+3
C. 2n
D. 3n
E. 4n
