Question 25
A palindromic number is a ‘symmetrical’ number which reads the same forwards as backwards. For example, 55, 101 and 8668 are palindromic numbers.
There are 90 four-digit palindromic numbers. How many of these four-digit palindromic numbers are divisible by 7?
There are 90 four-digit palindromic numbers. How many of these four-digit palindromic numbers are divisible by 7?