Multiple Choice Questions on A table was sold at a profit of 10 If its cost price was 5 less and it was sold for Rs 7 more the ga........... for RRB(NTPC) Exam Preparation

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Multiple Choice Questions

A table was sold at a profit of 10 If its cost price was 5 less and it was sold for Rs 7 more the ga...........

Quantitative Aptitude (RRB NTPC) Profit and loss
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    A table was sold at a profit of 10%. If its cost price was 5% less and it was sold for Rs. 7 more, the gain would have been 20%. Find the cost price of the table

    Rs. 140

    Correct Answer

    Rs.200

    Incorrect Answer

    Rs. 250

    Incorrect Answer

    Rs. 150

    Incorrect Answer
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    Explanation:
    Let the cost price be x.
    The selling price will be : 1.10x
    If the cost price were 5% less then the cost price would be :
    = 0.95x
    The selling price sold at 7 more is equal to = 1.10x + 7
    If it were sold t this amount the profit would have been 0.20x
    This implies :
    1.10x + 7 - 0.95x = 0.20x
    0.15x + 7 = 0.20x
    7 = 0.20x - 0.15x
    7 = 0.05x
    x = 7/0.05
    = 140

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