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Railways Sample Paper RRB (Assistant Loco Pilot & Technician) Sample Test Paper-5

  • question_answer
    Bina's monthly income is 90% of Anita's monthly income. The total of both their monthly incomes is Mr. Sen's monthly income. Mr. Sen's annual income is Rs. 7,75,200. What is Bina's monthly income? (In some cases annual income is asked and in some cases monthly income is asked.)

    A)  Rs. 34,000                   

    B)  Rs. 36,000

    C)  Rs. 30,600         

    D)  Rs. 30,000

    Correct Answer: C

    Solution :

     Let Bina's monthly income be Rs. \[x\]. \[\therefore \]Anita's monthly income  \[=x\,\,\frac{100}{99}=\] Rs. \[\,\,\frac{10x}{9}\] Mr. Sen's monthly income \[=\frac{775200}{12}=\] Rs. \[64600\] \[\therefore \] \[x+\frac{10x}{9}=64600\] \[\Rightarrow \]\[\frac{9x+10x}{9}=64600\] \[\Rightarrow \] \[19x=64600\,\,\,9\]             \[\therefore \]  \[x=\frac{64600\,\,\,\,9}{19}=\]Rs.  \[30600\]


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