Short trick | Finding Square of the number having last digit 5

Short tricks of finding square of the number:

The square of a number having its last digit 5, is so simple as compared to that of other numbers. To know this short trick of the square is very important in order to save time in competition exam where a lot of calculation is required. It will help most to those students who are preparing for SSC CGL, IBPS, RRB and UPSC exams. Within a seconds you can find the square of the number which end digit is 5. Let’s understand.

Example:

1) Consider (65)2 = ?

Step 1: Write the Squares of Ending digit 52=25
Step 2: multiply 6 with its successive number(next number) i .e.7.
6 x 7 = 42
Now write the answer 25 as always it last two-digit and write 42 before 25.
(65)2 = 4225

2) Consider (85)2 = ?
Follow the steps as written above.
(85)2 = 8 x 9 / 25
Hence (85)2 = 7225 ( Remove / & get answer)

3) Consider (135)2 = ?
(135)2 = 13 x 14/52
=182/25
=18225 ( Remove / & get answer)

4) Consider (245)2 = ?
(245)2 = 24 x 25 / 52
=600/25
=60025

I hope, this article will help you a lot to understand the Short trick | Finding Square of the number having last digit 5. If you still have any doubts and problems with any topic of mathematics you can ask your problem in the Ask Question section. You will get a reply shortly.

Related Links:

Short Trick | Finding a square of any two digit number
Short trick of square of 3-digit number
Short trick of square of 3-digit number
Short trick | Finding Square root of a non-perfect Square number

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