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NTSE Sample Paper NTSE SAT Practice Test-19

  • question_answer
    The mess charges for 35 students for 24 days is Rs 6300. In how many days will the mess charges be Rs 3,375 for 25 students?

    A) 12                                

    B) 15

    C) 18    

    D) 21

    Correct Answer: C

    Solution :

    [c] Mess charges per day per student = Rs \[\frac{6300}{35\times 24}\,\,=7.50.\] \[\therefore \]Mess charges for 25 students per day \[=\text{ }Rs\text{ }7.50\times 25\text{ }=\text{ }Rs\text{ }187.50\] \[\therefore \]Required number of days             \[=\frac{3375}{187.50}=18.\]                           


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