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    Question

    Raman gave a certain amount to his son Ritesh for

    buying some pens and pencils.  With this amount Ritesh can purchase either 10 pens or 30 pencils. Ritesh bought a chocolate with 10% of total amount and purchased 7 pens. How many pencils he can purchase with rest of the money.  
    A 6 Correct Answer Incorrect Answer
    B 7 Correct Answer Incorrect Answer
    C 8 Correct Answer Incorrect Answer
    D Data inadequate Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let, total amount Ritesh has = Rs. 30 (LCM of 10 and 30).  Cost of 1 pen = Rs. 3 and cost of 1 pencil = Re. 1 Amount spent on chocolate = 10% of 30 = Rs.3 Amt. spent on pens = 3 `xx` 7 = Rs.21 Amt. left = 30– (21+ 3) = Rs.6 No. of pencils he can purchase = 6

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