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SSC Quantitative Aptitude Average Question Bank Average (II)

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    The average monthly expenditure of a family for the first four months is Rs. 2570, for the next three months Rs. 2490 and for the last five months Rs. 3030. If the family saves Rs. 5320 during the whole year, the average monthly income of the family during the year is [SSC CGL Tier II, 2014]

    A) Rs. 3000

    B) Rs. 3185

    C) Rs. 3200

    D) Rs. 3580

    Correct Answer: B

    Solution :

    [b] Total earning of the family                                                \[=4\times 2570+3\times 2490+5\times 3030+5320\]                                                         \[=10280+7470+15150+5320=38220\]                                                                              \[\therefore\]             Average monthly income                                                         \[=\frac{38220}{12}=\text{Rs}.\,3185\]


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