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SSC Sample Paper Mock Test-16 SSC CGL Tear-II Paper-1

  • question_answer
    Arun purchased a TV set at 20% discount. If he gets a discount of 25%, he saves Rs.  1800. For how much does' he purchase the TV set?

    A) Rs. 33000

    B)  Rs. 31200

    C)  Rs. 28800

    D)  Rs. 27000

    Correct Answer: C

    Solution :

    Let the marked price be Rs. x. \[(80%\,\,\text{of}\,\,x)-(75%\,\,\text{of}\,\,x)=1800\] \[\Rightarrow \]\[\left( \frac{80}{100}\times x \right)-\left( \frac{75}{100}\times x \right)=1800\] \[\Rightarrow \]\[\frac{4x}{5}-\frac{3x}{4}=1800\] \[\Rightarrow \]\[(16x-15x)=36000\]\[\Rightarrow \]\[x=36000.\] \[\therefore \]      CP = 80% of Rs. 36000 = Rs. \[\left( \frac{80}{100}\times 36000 \right)\]= Rs. 28800


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