If p, q, r are the digits of a number beginning from the left, the number is -

Question: If p, q, r are the digits of a number beginning from the left, the number is -

Solution:
as the sequence is from the left,
the value of p is = 100p
the value of q is = 10q
the value of r = r

∴ the number is = 100p + 10q + r