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# Square and Cube Roots Aptitude Objective Questions and Answers

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 1 √0.0169 x B = 1.3. What is the value of B? A. 100 B. 10 C. 1000 D. None of These
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Explanation

0.0169 x B = 1.3

=> 0.0169 x B = 1.32

=> 0.0169 x B = 1.69

=> B= 1.69/0.0169 = 100

 2 What is the cube root of .000216 ? A. 0.6 B. 0.06 C. 77 D. 87
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Explanation

( 0.000216) 1/3

= (216/106)1/3

= [ (6 x 6 x 6)/ (102 x 102 x 102 ) ]1/3

=6/102

=.06

 3 If 3√5 + √125 = 17.88, then what is the value of √80 + 6√5 ? A. 22.35 B. 13.41 C. 20.46 D. 21.66
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Explanation

3√5 + √125 = 17.88

=> 3√5 + √25 x 5 = 17.88

=> 3√5 + 5√5 = 17.88

=> 8√5 = 17.88

=> 5 = 2.235

=> √80 + 6√5 = √16 x 5 + 6√5

=> 4√5 + 6√5

=> 10√5 = (10 x 2.235) = 22.35

 4 If a = 0.1039, then what is the value of √4a2 - 4a + 1 + 3a ? A. 1.1039 B. .1039 C. .2078 D. 2.1039
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Explanation

4a2 - 4a + 1 + 3a =√ (1)2 + (2a)2 - 2 x 1 x 2a + 3a

= √(1 - 2a)2 + 3a

= (1 - 2a) + 3a

= (1 + a)

= (1 + 0.1039)

= 1.1039

 5 The square root of (7 +3√ 5) (7 - 3√5) is A. √ 5 B. 2 C. 4 D. 3√5
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Explanation (7 + 35)(7 - 35)=√(7)2 - (35)2  = √49 - 45  = √ = 2.

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## Square and Cube Roots Aptitude Objective Questions and Answers with Explanation

Square and Cube Roots Aptitude Objective Questions and Answers for Government Sector job preparation. Square and Cube Roots Aptitude Multiple Choice Questions are very important for exams like CAT,MAT,XAT, SSC IBPS, Bank PO, BPSC, UPSC, Govt Jobs, Bank Clerk , UPPSC etc.

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## How important is Square and Cube Roots Aptitude Objective Questions in Exams?

The Square and Cube Roots Aptitude Objective Questions paper is very important as almost all the exams ask gk questions. Square and Cube Roots Aptitude questions are even asked in interview round.

### Where can I practice Square and Cube Roots Aptitude Multiple Choice Questions and Objective Questions?

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