Question

Write a number using digit 1,2,3 & 4 each only twice such that the 1's are separated by four digit the 2's are separated by three digit the 3's are separated by two digit and the 4's are separated by one digit

Answer 1

1 4 2 4 3 1 2 3

• first take eight digit number
• _ _ _ _ _ _ _ _
• and now fill it accordingly