Cab number leaving remainder one and divisible by 11
Question
A rude cab driver gives his number as a puzzle: divided by any of it leaves remainder , it is a multiple of , and it is the smallest positive number with both properties. What is it?
Short answer
. The number is more than a multiple of : , and the first of these divisible by is .
Adapted from QuantQuestions.io; question and answer rewritten by SelfMadeQuant.com.
See the hint and the full worked solution in the question bank (free account).
Open the worked solution