Try this beautiful problem from Algebra based on Sum of two digit numbers from PRMO 2016.
Let s(n) and p(n) denote the sum of all digits of n and the products of all the digits of n(when written in decimal form),respectively.Find the sum of all two digits natural numbers n such that
Algebra
number system
addition
Answer:
PRMO-2016, Problem 7
Pre College Mathematics
Let is a number of two digits ,ten's place
and unit place is
.so
.given that
= sum of all digits
and
=product of all digits=
now the given condition is
Can you now finish the problem ..........
From condition we have,
and the value of
be any digit....
Can you finish the problem........
Therefore all two digits numbers are and sum=
Try this beautiful problem from Algebra based on Sum of two digit numbers from PRMO 2016.
Let s(n) and p(n) denote the sum of all digits of n and the products of all the digits of n(when written in decimal form),respectively.Find the sum of all two digits natural numbers n such that
Algebra
number system
addition
Answer:
PRMO-2016, Problem 7
Pre College Mathematics
Let is a number of two digits ,ten's place
and unit place is
.so
.given that
= sum of all digits
and
=product of all digits=
now the given condition is
Can you now finish the problem ..........
From condition we have,
and the value of
be any digit....
Can you finish the problem........
Therefore all two digits numbers are and sum=