
Algebra PreAlgebra and Basic Algebra Math Forum 
 LinkBack  Thread Tools  Display Modes 
February 17th, 2017, 03:24 PM  #1 
Newbie Joined: Dec 2016 From: Venezuela Posts: 4 Thanks: 0  How to solve this problem?
Sergio wrote five different positive integers, one digit each, on the board. He discovered that no sum of two of the numbers written is equal to 10. Which of the following numbers can be assured that it was written by Sergio? A:1 B:5 C:2 D:4 E:3 
February 17th, 2017, 03:41 PM  #2 
Math Team Joined: Jul 2011 From: Texas Posts: 3,016 Thanks: 1600 
5


Tags 
problem, solve 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
how to solve this problem?  Ganesh Ujwal  Elementary Math  4  January 4th, 2015 12:11 PM 
How to solve this problem?  Ganesh Ujwal  Calculus  1  December 31st, 2014 07:17 PM 
Odd problem I can't solve....  RubberMan  Elementary Math  6  April 12th, 2013 12:16 PM 
Help me solve this..problem.  Learning  Algebra  1  November 18th, 2012 03:40 PM 
Help me solve this problem!!  n00biee  Abstract Algebra  0  December 31st, 1969 04:00 PM 