Multiple Choice Questions on If the average mark of 1 4th class is 85 and that of 1 3 rd of class is 70 and the average mark of r........... for Uttarakhand Civil Services (UKPCS) Preparation

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Multiple Choice Questions

If the average mark of 1 4th class is 85 and that of 1 3 rd of class is 70 and the average mark of r...........

Quantitative Aptitude Average
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    If the average mark of 1/4th class is 85% and that of 1/3 rd of class is 70% and the average mark of rest of the class is 56%.then the average of the whole class is

    67.91

    Correct Answer

    70.32

    Incorrect Answer

    68.5

    Incorrect Answer

    69.25

    Incorrect Answer
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    Explanation:

    Solution: 
    Let x be the total no of students in whole class.
    Then (x/4*85/100 + x/3 *70/100+ 5x/12 * 56/100 )*100
    =67.91.

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