Test: Square Root And Cube Root- 1


10 Questions MCQ Test General Aptitude for GATE 2020 | Test: Square Root And Cube Root- 1


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This mock test of Test: Square Root And Cube Root- 1 for Quant helps you for every Quant entrance exam. This contains 10 Multiple Choice Questions for Quant Test: Square Root And Cube Root- 1 (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Square Root And Cube Root- 1 quiz give you a good mix of easy questions and tough questions. Quant students definitely take this Test: Square Root And Cube Root- 1 exercise for a better result in the exam. You can find other Test: Square Root And Cube Root- 1 extra questions, long questions & short questions for Quant on EduRev as well by searching above.
QUESTION: 1

 find the value of x.

Solution:



QUESTION: 2

Solution:

QUESTION: 3

 then what will be the value of 

Solution:


QUESTION: 4

The cube root of 0.000729 is

Solution:

QUESTION: 5

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

Solution:

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

QUESTION: 6

Solution:

QUESTION: 7

 

Solution:

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

QUESTION: 8

The square root of 16641 is

Solution:

QUESTION: 9

Solution:

QUESTION: 10

Solution: