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     EduGorilla 
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    Average age of students of an adult school Is 40 years. 120 new students, whose average is 32 years, joined the school. As a result, the average age is decreased by 4 years. The number of students of the school, after joining of the new students, is

    Options :-

    1. 1200
    2. 120
    3. 360
    4. 240
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