Square Roots and Cube Roots : Aptitude Questions and Answers

Square Roots and Cube Roots questions and answers are most important for all competitive exams and entrance tests. In this section, you will find many types of square roots and cube roots questions and answers. Practice these questions and answers that will help you crack any competitive exam like SSC, IBPS, PO, RBI, PSC, RAIL, PSU, and many more exams. Now, all competitive exams are online so here you can practice free online exams in our online test section. We are providing many exams square roots and cube roots questions with solutions regularly. Check out this page regularly to get updated square roots and cube roots questions and answers. Here you will find many other subjects general aptitude questions and answers.

Square Roots and Cube Roots Questions and Answers


Q1. The square root of \mathbf{(272^{2}-128^{2})} is :

A. 200

B. 144

C. 256

D. 240

SHOW ANSWER
Correct Answer : 240


Q2. The square root of 64009 is :

A. 803

B. 253

C. 347

D. 363

SHOW ANSWER
Correct Answer : 253


Q3. \mathbf{(\frac{\sqrt{625}}{11}\times \frac{14}{\sqrt{25}}\times \frac{11}{\sqrt{196}})} is equal to :

A. 8

B. 5

C. 6

D. 11

SHOW ANSWER
Correct Answer : 5


Q4. \mathbf{\sqrt{110\frac{1}{4}}=?}

A. 19.5

B. 10.5

C. 11.5

D. 10.25

SHOW ANSWER
Correct Answer : 10.5


Q5. Evaluate : \mathbf{\sqrt{41-\sqrt{21+\sqrt{19-\sqrt{9}}}}}

A. 3

B. 5

C. 6

D. 6.4

SHOW ANSWER
Correct Answer : 6


Q6. If \mathbf{0.13\div p^{2}=13}, then p equals :

A. 0.1

B. 100

C. 0.01

D. 10

SHOW ANSWER
Correct Answer : 0.1


Q7. What number should be divided by 

\mathbf{\sqrt{0.25}} to give the result as 25 ?

A. 125

B. 50

C. 12.5

D. 25

SHOW ANSWER
Correct Answer : 12.5


Q8. \mathbf{\sqrt{0.00004761}} equals :

A. 0.0609

B. 0.00069

C. 0.069

D. 0.0069

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Correct Answer : 0.0069


Q9. \mathbf{28\sqrt{?}+1426=\frac{3}{4}} of  2872

A. 676

B. 576

C. 1296

D. 1444

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Correct Answer : 676


Q10. What should come in place of both the question marks in the equation \mathbf{\frac{?}{\sqrt{128}}=\frac{\sqrt{162}}{?}}.

A. 14

B. 12

C. 144

D. 196

SHOW ANSWER
Correct Answer : 12


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