# Mathematical tricks to square numbers

#### by satheeshkumar 2012-07-11 17:27:36

If you need to square a 2 digit number ending in 5, you can do so very easily with this trick. Mulitply the first digit by itself + 1, and put 25 on the end. That is all!

for eg.

25^2 = (2x(2+1)) & 25

2 x 3 = 6

625

So you can square easily any number ending with 5..

545
0
0
The text passage provides a mathematical trick for squaring two-digit numbers that end in 5, and it includes an example to demonstrate the trick.
no_question
Given a text passage, determine:
    1. If it contains a mathematical question (including word problems or calculations)
    2. If an answer to that mathematical question is provided in the text

First, describe the content structure you found in 1-2 sentences.

Then provide your analysis in the following format:
TYPE: <one of the following values>
- NO_QUESTION
- SINGLE_QUESTION
- SINGLE_QUESTION_WITH_ANSWER
- MULTIPLE_QUESTIONS
- MULTIPLE_QUESTIONS_WITH_ANSWERS
system
# Mathematical tricks to square numbers

#### by satheeshkumar 2012-07-11 17:27:36

If you need to square a 2 digit number ending in 5, you can do so very easily with this trick. Mulitply the first digit by itself + 1, and put 25 on the end. That is all!

for eg.

25^2 = (2x(2+1)) & 25

2 x 3 = 6

625

So you can square easily any number ending with 5..

545
0
0
user
The text passage provides a mathematical trick for squaring two-digit numbers that end in 5, and it includes an example to demonstrate the trick.

TYPE: NO_QUESTION