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     EduGorilla 
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    The average height of a class of 36 students is 175 cm. Four students, whose average height is 170 cm, leave the school, and 8 new students, whose average height is 180 cm, join the class. What is the new average height of the class?

    Options :-

    1. 178.5 cm
    2. 177.5 cm
    3. 175.8 cm
    4. 176.5 cm
    5. 178 cm
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