Square Root Concept For Competitive Exams

Square Root Concept For Competitive Exams Like CAT, Bank PO, Bank Clerical, SSC, Campus Exams And Other Government Exams.
Square Root: The Square Root Of A Number Is That Number, Which Gives Itself With Multiply with This.The Sign Of Square Root Is: √
Example Of Squareroot: √4 = 2
We Can Say Radical Sign To This Sign.
Suppose x2 = y, Then We Can Say Square root Of y Is x. And We Can Denote It Like This: √y = x
There Are Basically Two popular Methods To Find Out Square Root:
1.Prime Factor Method.
2.Long Division Method.
1.Prime Factor Method: In This Method We Divide Particular Method Into Prime Factors, And Choose One Of Them, And Then Multiply.
Example: 25 And We Divide into 5*5 And The Square Root Is 5
2.Long Division Method: This Method Is Used, When Number Is Large.
There Are Some Important Relations And Formula:
A.√(x+y) != √x + √y (!= Is The Sign Of Notequal)
B.√(x-y) != √x – Vy (!= Is The Sign Of Notequal)
C.√(x*y) = √x * √y
D.√(x/y) = √x / √y
For Solving Problems Quickly, We Will Use The Following Table, And We Have To Memorize This:
Square Of 1: 1
Square Of 2: 4
Square Of 3: 9
Square Of 4: 16
Square Of 5: 25
Square Of 6: 36
Square Of 7: 49
Square Of 8: 64
Square Of 9: 81
Square Of10: 100
Square Of11: 121
Square Of12: 144
Square Of13: 169
Square Of14: 196
Square Of15: 225
Square Of16: 256
Square Of17: 289
Square Of18: 324
Square Of19: 361
Square Of20: 400
Square Of21: 441
Square Of22: 484
Square Of23: 529
Square Of24: 576
Square Of25: 625
Square Of26: 676
Square Of27: 729
Square Of28: 784
Square Of29: 841
Square Of30: 900



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Important General Knowledge Questions 2013 for IBPS PO III

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