单项选择题

If r and 8 are positive integers，each greater than 1，and if 11(s-1)=13(r-1)，what is the least possible value of r+s（）

A. 2
B. 11
C. 2
D. 24
E. 26

相关考题

What is the least prime number greater than 83？（） A. 85...

单项选择题What is the least prime number greater than 83？（）

A. 85
B. 87
C. 88
D. 89
E. 91

If p and r are prime numbers，which of the following mus...

单项选择题If p and r are prime numbers，which of the following must also be prime（）

A. pr
B. p+r
C. pr+1
D. p²+r²
E. None of the above