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SSC Quantitative Aptitude Number System and its Operations Question Bank Numbers and Their Principles (II)

  • question_answer
    Natu and Bachku each have certain number of oranges. Natu says to Bachku, “If you give me 10 of your oranges, I will have twice the number of oranges left with you”. Buchku replies, 'If you give me 10 of your oranges, I will have the same number of oranges as left with you". What is the number of oranges with Natu and Bachku, respectively? [SSC CGL Tier II, 2017]

    A) 50, 20

    B) 70, 50

    C) 20, 50

    D) 50, 70

    Correct Answer: B

    Solution :

    [b] Let, Natu have oranges \[=70\] and Bachku have oranges \[=50\] By giving 10 oranges by Buchku to Natu, Number of oranges Natu have \[=70+10=80\] Number of oranges Bachku have \[=50-10=40\] According to the question, \[80=2\times 40\] i.e., Number of oranges Natu have \[=2\times \] Number of oranges Bachku have (Given condition satisfied) Now, giving 10 oranges by Natu to Bachku, Number of oranges Natu have \[=70-10=60\] Number of oranges Buchku have \[=50+10=60\] According to the question, \[60=60\] i.e., Number of oranges Natu have = Number of oranges Bachku have (Given condition satisfied) Hence, option [b] is the right answer.


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