Multiple Choice Questions on Which one of the following is correct in respect of the number 1729 ........ for CDS Exam Preparation

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Multiple Choice Questions

Which one of the following is correct in respect of the number 1729 ........

Quantitative Aptitude (CDS) Number System
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    Which one of the following is correct in respect of the number 1729?

    It cannot be written as the sum of the cubes of two positive integers

    Incorrect Answer

     It can be written as the sum of the cubes of two positive integers in one way only

    Incorrect Answer

    C. It can be written as the sum of the cubes of two positive integers in two ways only

    Correct Answer

    It can be written as the sum of the cubes of two positive integers in three ways only

    Incorrect Answer
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    Explanation:

    Given, number be 1729
    1729=123+13 and 1729=103+93
    i.e. 1729 can be written as the sum of the cubes of two positive integers in two ways only. Hence option (3)

    By: Munesh Kumari
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