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    Question

    A certain number of books were distributed equally among

    a group of students in a class. Each student received a number of books equal to one-fifth of the total number of students. If the number of students had been reduced to half, then each student would have received 10 books. How many books were distributed in total?
    A 125 Correct Answer Incorrect Answer
    B 200 Correct Answer Incorrect Answer
    C 175 Correct Answer Incorrect Answer
    D 250 Correct Answer Incorrect Answer

    Solution

    Let the no. of children = xTotal number of notebooks distributed = Number of children X number of notebook each child gotHence, total no. of notebooks distributed as per the given 1st condition= x/5 X x = x2/5 .... (i)According to the 2nd condition; total number of notebooks=10 X x/2 = 5x .... (ii)Comparing (i) & (ii), we getx2/5 = 5x=> x = 25Hence, total no. of notebooks = x2/5= (25 X 25)/5=125

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