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GMAT Exam  >  GMAT Test  >  Quantitative Reasoning  >  20 Minutes Test: Square and Cube Root 1 - GMAT MCQ

Square and Cube Root 1 - Free MCQ Practice Test with solutions, GMAT Quant


MCQ Practice Test & Solutions: 20 Minutes Test: Square and Cube Root 1 (10 Questions)

You can prepare effectively for GMAT Quantitative Reasoning for GMAT with this dedicated MCQ Practice Test (available with solutions) on the important topic of "20 Minutes Test: Square and Cube Root 1". These 10 questions have been designed by the experts with the latest curriculum of GMAT 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 20 minutes
  • - Number of Questions: 10

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20 Minutes Test: Square and Cube Root 1 - Question 1
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 find the value of x.

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20 Minutes Test: Square and Cube Root 1 - Question 2
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Detailed Solution: Question 2

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20 Minutes Test: Square and Cube Root 1 - Question 3
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 then what will be the value of 

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20 Minutes Test: Square and Cube Root 1 - Question 4
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The cube root of 0.000729 is

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20 Minutes Test: Square and Cube Root 1 - Question 5
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What is the least perfect square which is divisible by each of 21, 36 and 66?

Detailed Solution: Question 5

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

20 Minutes Test: Square and Cube Root 1 - Question 6
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Detailed Solution: Question 6

20 Minutes Test: Square and Cube Root 1 - Question 7
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Detailed Solution: Question 7

The correct option is Option C.

  (√7 - 1/√7)² 

= (√7)² - 2 × √7 × 1/√7 + (1/√7)²

= 7 - 2 + 1/7

= 5 + 1/7 

= 36/7

20 Minutes Test: Square and Cube Root 1 - Question 8
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The square root of 16641 is

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20 Minutes Test: Square and Cube Root 1 - Question 9
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Detailed Solution: Question 9

20 Minutes Test: Square and Cube Root 1 - Question 10
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Detailed Solution: Question 10

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About this GMAT Practice Test

This test contains 10 MCQs on 20 Minutes Test: Square and Cube Root 1 with detailed solutions for each question. It is part of the Quantitative Reasoning for GMAT course on EduRev, designed to align with the current GMAT syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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