Math Magic series bring to you another fasted method to know the square of any number which ends with 5 (five).This method is so easy that within minutes you will learn a trick that you do not need even pen paper to know the square of a number ending with 5. This will save you a lot of tie which is crucial for MAT /SAT and CAT .
Math Trick to Square A number Ending with 5
Let us say you want to know the result of 25 x 25
Step 1 : Just add 1 to the number at 10th place ( 2 in this case) . Thus , fir example , you will have to add 1 to 2 = 3
Step 2: Now multiply the original 10th number with the increased number = 2 x3= 6
Math Magic: Write 25 after the sum found in Step 2 . i.e 6 25 .
That is the answer !
Another Example of Math Trick
135 x 135 =???
13 +1= 14
Answer is 18225
Another example of math trick in the picture given below also
Now do some practice on this Math Trick
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1. Question1 points
65 x65 = ??
2. Question1 points
125 x125 =??
3. Question1 points
35 x 35= ???