You are here MA&T Programme Third Class Challenges Challenge 10

Study the 13 digit EAN Barcodes below and calculate what digit is represented by the letter x. Send the answers to Mr. Roberts by email. If you don't have email, just put your answers in the MA&T Box on the piano in the Assembly Hall. Good luck.

Barcodes:

Number 1: What is the value of x below?	Number 2: What is the value of x below?
Number 3: What is the value of x below? (Difficult Question !!!)	Number 4: What is the value of x below? (Another Difficult Question !!!)