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Showing posts with label Campus Exams And Other Government Exams. Show all posts
Showing posts with label Campus Exams And Other Government Exams. Show all posts

Thursday 17 October 2013

Square Root Concept For Competitive Exams


square root topic for bank 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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Description. Quantitative Aptitude for Competitive Examination (Fully Solved) Bank P.O, S.B.I. P.O; I.B.P.S; R.B.i. Exam
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