Posted by Surya on Thursday, February 23, 2012 at 10:32am.
The Sentosa High School's telephone number is an eight digit number. The sum of the two numbers formed from the first three digits and the last five digits respectively 66558. The sum of two numbers formed from the first five digits and the last three digits is 65577. Find the telephone number of the Senthosa High School.

Maths  Faizah, Thursday, June 21, 2012 at 9:37pm
64665912