perplexus.info :: Just Math : Three Digit Number

Three Digit Number (Posted on 2003-05-15)

Find a three-digit number containing three different digits where the following are all perfect squares:

(A) The sum of the first digit and the number formed by the second and third digits;

(B) The first digit multiplied by the number formed by the second and third digits and

See The Solution Submitted by Ravi Raja

Rating: 3.8000 (5 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

Solution

| Comment 8 of 28 |

916...

a) 9 + 16 = 25
√25 = 5

b) 9 X 16 = 144
√144 = 12

c) 9 + 1 + 6 = 16
√16 = 4

Posted by Mayer Kim on 2003-05-15 13:21:35

Please log in:

Forums (1)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (10)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info