-
Finished your HSC? Check out our University Discussion, Non-School forums or help out next year's HSC students! -
YOU can help the next generation of students in the community! Share your trial papers and notes on our Notes & Resources page
Search results
-
P
Australian Maths Competition
Re: Australian Mathematics Competition $Any 4 digit palindrome can be expressed in the form:$ $1001x + 110y$ $We wish to determine which of these are divisible by 7$ $Note the following$ 7 | 1001 \implies 7 | 1001x 7 \nmid 110 $Hence if the palindrome is a multiple of 7, then$ 7 | y...- Professor X
- Post #261
- Forum: Extracurricular/Higher Level
-