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    Question

    There are 50 students in a school

    canteen. Due to new admissions, 20 new students join the canteen. The daily expenses of the canteen increase by Rs. 1200, while the average expenditure per student per day decreases by Rs. 6. Find the initial daily expenditure of the canteen.
    A Rs.3550 Correct Answer Incorrect Answer
    B Rs.4050 Correct Answer Incorrect Answer
    C Rs.3000 Correct Answer Incorrect Answer
    D Rs.3665 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let x be the initial daily expenditure.

    Given:

    Solve: Take LCM of 50 and 70: 350. Equation simplifies to:

    Solve: 2x − 6000 = 2100, So x = 4050.

    Verify:

    Initial daily expenditure = Rs. 4050.

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