Results 1 to 3 of 3

- Mar 26th 2009, 03:23 AM #1

- Joined
- Mar 2009
- Posts
- 34

- Mar 26th 2009, 03:59 AM #2

- Joined
- Apr 2005
- Posts
- 18,434
- Thanks
- 2528

- Mar 26th 2009, 04:58 AM #3

- Joined
- May 2006
- From
- Lexington, MA (USA)
- Posts
- 12,028
- Thanks
- 846

Hello, kl050196!

We can solve this by Elimination.

When a 2-digit number is squared,

the result is the 3-digit number . . . i.e

The number that stands for is:

. .

The answer cannot be (b) because a square cannot end in 2.

The answer cannot be (c) because a square cannot end in 3.

Therefore . . .