We Solve Problems
Problems
Categories
F.A.Q.
Sign In
Sign Up
Sign Up
Problem
#PRU-78607
Problems
Algebra and arithmetic
Number systems
Decimal number system
Methods
Pigeonhole principle
Pigeonhole principle (other)
12–14
3.0
Problem
What is the maximum difference between neighbouring numbers, whose sum of digits is divisible by 7?
To see the solution
register
and get verified.