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SSC Quantitative Aptitude Percentage Question Bank Percentage (II)

  • question_answer
    The number that is to be added to 10% of 320 to have the sum as 30% of 230 is [SSC CGL Tier II, 2014]

    A) 37

    B) 32

    C) 23

    D) 73

    Correct Answer: A

    Solution :

    [a] Let the number be x. Then, 100% of \[320+x=30%\] of 230             \[\frac{10\times 320}{100}+x=\frac{30\times 230}{100}\] \[32+x=69\] \[x=69-32=37\]


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