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

20 Minutes Test: Square and Cube Root 1 - GMAT MCQ


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10 Questions MCQ Test - 20 Minutes Test: Square and Cube Root 1

20 Minutes Test: Square and Cube Root 1 for GMAT 2025 is part of GMAT preparation. The 20 Minutes Test: Square and Cube Root 1 questions and answers have been prepared according to the GMAT exam syllabus.The 20 Minutes Test: Square and Cube Root 1 MCQs are made for GMAT 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for 20 Minutes Test: Square and Cube Root 1 below.
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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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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?
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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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20 Minutes Test: Square and Cube Root 1 - Question 7
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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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20 Minutes Test: Square and Cube Root 1 - Question 10
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