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Railways R.R.C. (Kolkata) Solved Paper Held on 2nd Shift 9-11-2014

  • question_answer
    A woman has a certain number of mangoes which 13% are bad. She gives 75% of the remairiasr B to charity, and then has 261 left. How ci.bi mangoes did she have at first?              

    A) 1300                

    B) 1250          

    C) 1200                            

    D) 610           

    Correct Answer: C

    Solution :

    Suppose a woman has x mangoes at first. Then,                \[\frac{(100-13)}{100}\times \frac{(100-75)}{100}\times x=261\]                         \[\frac{87}{100}\times \frac{25}{100}x=261\] \[x=\frac{261\times 100\times 100}{87\times 25}\] \[=1200\]


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