Multiple Choice Questions on The average of three numbers is 77 The first is twice the second and the second number is twice the ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The average of three numbers is 77 The first is twice the second and the second number is twice the ...........

Quantitative Aptitude ( CCS) Average
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    The average of three numbers is 77. The first is twice the second and the second number is twice the third. The first number is

    33

    Incorrect Answer

    66

    Incorrect Answer

    77

    Incorrect Answer

    132

    Correct Answer
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    Explanation:

    Solution: 
    4x+2x+x = 7x = 77*3 = 231
    x = 33
    3x= 33*4 = 132

    By: Pranav Gupta
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