Find square of three digit numbers

This trick can be useful for IBPS and Other Exams as well as SSC,UPSC and other competitive exams....


Find the square of 101


1

0

0

0

0
Step -1 :: Square of first digit (1= 1) then
                  Multiply with 10000 (1*10000=10000)
+

0
2
0
0
Step-2 :: Multiply 2 with suffix two digit number (01*2=02) then                   Multiply with first digit (02*1=02) then 
                 Multiply with 100(02*100=0200)
+



0
1
Step -3 :: Square of  suffix two digit number (01= 01)

1
0
2
0
1
                   Finally we get answer (1012 = 10201)


Find the square of 568


2

5

0

0

0

0
Step -1 :: Square of first digit (5= 25) then
                 Multiply with 10000 (25*10000=250000)
+

6
8
0
0
0
Step-2 :: Multiply 2 with suffix two digit number  (68*2=136) then                   Multiply with first digit  (136*5=680)  then 
                   Multiply with 100 (680*100=68000)

+



4

6

2

4
Step -3 :: Square of  suffix two digit number  (682=4624)  
                   Find square of two digit numbers

3
2
2
6
2
4
               Finally we get answer (5682 = 322624)

It is important to put proper digit in proper position.


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Comment please....

Read also -- Find square of Two digit numbers
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Find square of two digit numbers

This trick can be useful for IBPS and Other Exams as well as SSC,UPSC and other competitive exams....

Find the square of 20


4
0
0
Step - 1 :: Square of first digit (2= 4) then
                 Multiply with 100 (4*100=400)
+

0
0
Step - 2 :: Multiply 2 with first & second digit  (2*0*2=0)  then                            Multiply with 10 (0*10=00)
+


0
Step - 3 :: Square of second digit (0= 0)

4
0
0
                 Finally we get answer (202 = 400)


Find the square of 84

6
4
0
0
Step - 1 :: Square of first digit (8= 64) then 
                Multiply with 100 (64*100=6400)
+

6
4
0
Step - 2 :: Multiply 2 with first & second digit  (8*4*2=64)  then                  Multiply with 10 (64*10=640)
+


1
6
Step - 3 :: Square of second digit (4= 16)

7
0
5
6
                 Finally we get answer (842 = 7056)


Find the square of 99

8
1
0
0
                     9= 81*100 = 8100
+
1
6
2
0
                     9*9*2 = 162*10 = 1620
+


8
1
                     9= 81

9
8
0
1
               Finally 992 = 9801

It is important to put proper digit in proper position. 

Is this post helpful for you?   
Any query ?

Comment please....

Read also -- Find square of Three digit numbers
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