UPSC  >  CSAT Preparation  >  Square Root and Cube Root - Examples (with Solutions), Logical Reasoning

Square Root and Cube Root - Examples (with Solutions), Logical Reasoning - CSAT Preparation - UPSC

Square Root and Cube Root - Examples (with Solutions), Logical Reasoning | CSAT Preparation - UPSC

A. 24

B. 12

C. 48

D. 36

Answer : Option A

Explanation :

Square Root and Cube Root - Examples (with Solutions), Logical Reasoning | CSAT Preparation - UPSC

 

Square Root and Cube Root - Examples (with Solutions), Logical Reasoning | CSAT Preparation - UPSC

A. 2.24

B. 1.24

C. 1.34

D. 2.34

Answer : Option D

Explanation :

Square Root and Cube Root - Examples (with Solutions), Logical Reasoning | CSAT Preparation - UPSC

 

3. If  Square Root and Cube Root - Examples (with Solutions), Logical Reasoning | CSAT Preparation - UPSC , then what will be the value of Square Root and Cube Root - Examples (with Solutions), Logical Reasoning | CSAT Preparation - UPSC

A. 21.66

B. 13.41

C. 22.35

D. 44.7

Answer : Option D

Explanation :

Square Root and Cube Root - Examples (with Solutions), Logical Reasoning | CSAT Preparation - UPSC

 

4. The cube root of 0.000729 is

A. 0.09

B. 0.9

C. 0.21

D. 0.11

Answer : Option A

Explanation :

Square Root and Cube Root - Examples (with Solutions), Logical Reasoning | CSAT Preparation - UPSC

 

5. What is the least perfect square which is divisible by each of 21, 36 and 66?

A. 213444

B. 214434

C. 214344

D. 231444

Answer : Option A

Explanation :

LCM of 21, 36, 66 = 2772
ie, all multiples of 2772 are divisible by 21, 36 and 66
Prime factorization of 2772 is,
2772 = 2 × 2 × 3 × 3 × 7 × 11
ie, to make it a perfect square, we have to multiply it by 7 and 11
Hence, required number = 2772 × 7 × 11 = 213444

The document Square Root and Cube Root - Examples (with Solutions), Logical Reasoning | CSAT Preparation - UPSC is a part of the UPSC Course CSAT Preparation.
All you need of UPSC at this link: UPSC
197 videos|151 docs|200 tests

FAQs on Square Root and Cube Root - Examples (with Solutions), Logical Reasoning - CSAT Preparation - UPSC

1. What is the formula to calculate the square root of a number?
Ans. The formula to calculate the square root of a number is √x = y, where x is the number and y is the square root of x.
2. How can I find the cube root of a number?
Ans. To find the cube root of a number, you can use the formula ∛x = y, where x is the number and y is the cube root of x.
3. Can the square root of a negative number be determined?
Ans. No, the square root of a negative number cannot be determined using real numbers. It results in an imaginary number.
4. What is the difference between square root and cube root?
Ans. The square root of a number is the value that, when multiplied by itself, gives the original number. On the other hand, the cube root of a number is the value that, when multiplied by itself twice, gives the original number.
5. How can I simplify expressions involving square roots and cube roots?
Ans. To simplify expressions involving square roots and cube roots, you can use various mathematical properties and rules. For square roots, you can simplify by factoring the number inside the square root symbol. For cube roots, you can simplify by finding perfect cube factors of the number inside the cube root symbol.
197 videos|151 docs|200 tests
Download as PDF
Explore Courses for UPSC exam

How to Prepare for UPSC

Read our guide to prepare for UPSC which is created by Toppers & the best Teachers
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Download free EduRev App
Track your progress, build streaks, highlight & save important lessons and more!
Related Searches

Logical Reasoning | CSAT Preparation - UPSC

,

Sample Paper

,

ppt

,

video lectures

,

mock tests for examination

,

Square Root and Cube Root - Examples (with Solutions)

,

Logical Reasoning | CSAT Preparation - UPSC

,

shortcuts and tricks

,

Important questions

,

MCQs

,

Previous Year Questions with Solutions

,

practice quizzes

,

Exam

,

Logical Reasoning | CSAT Preparation - UPSC

,

Square Root and Cube Root - Examples (with Solutions)

,

Free

,

past year papers

,

Summary

,

Semester Notes

,

pdf

,

study material

,

Square Root and Cube Root - Examples (with Solutions)

,

Extra Questions

,

Viva Questions

,

Objective type Questions

;