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SSC Sample Paper Mock Test-17 SSC CGL Tear-II Paper-1

  • question_answer
    If two-third of three-fourth of one-fifth of a number is equal to fifteen. What would be thirty per cent of that number?

    A) 30        

    B)  45

    C)  90

    D)  150

    Correct Answer: B

    Solution :

    Suppose the number is x, then by question itself. \[x\times \frac{2}{3}\times \frac{3}{4}\times \frac{1}{5}=15,\] \[\Rightarrow \] \[x\times \frac{1}{10}=15\] \[\therefore \]                  \[x=150\] Now, 30% of \[150=\frac{30\times 150}{100}=45\] So, 30% of the number is 45.


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