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SSC Sample Paper Mock Test-1 SSC CGL Tear-II Paper-1

  • question_answer
    A man gives 20% of his money to his eldest son. 36% of the remaining he gives to b his younger son. 10% of the remaining he gives in a school for poor boys. Still he has Rs. 100.80. Find his total sum

    A) Rs. 250             

    B)  Rs. 300

    C)  Rs. 200

    D)  Rs. 500

    Correct Answer: C

    Solution :

    x = 20%, y = 30%, z = 10%, A =10050 By shortcut method, Required total money \[=\frac{A\times 100\times 100\times 100}{(100-x)(100-y)(100-z)}\] \[=\frac{100.80\times 100\times 100\times 100}{(100-20)(100-30)(100-10)}\] \[=\frac{10080\times 100\times 100}{80\times 70\times 90}\] \[=\frac{100800}{8\times 7\times 9}=\]Rs. 200                


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