Profit and Loss

Profit and Loss

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Aptitude miscellaneous
  1. A dishonest dealer sells articles at 10% loss on cost price but uses the weight of 16g instead of 18g. What is his profit or loss per cent ?










  1. View Hint View Answer Discuss in Forum

    Given that a = 10% , b = 16g and c = 18g
    = [(100 - a)c /b - 100)]%
    = [(100 - 10) x 18/16 - 100]%

    Correct Option: A

    Given that a = 10% , b = 16g and c = 18g
    = [(100 - a)c /b - 100)]%
    = [(100 - 10) x 18/16 - 100]%
    = [90 x 18/16 - 100]%
    = [90 x 9/8 - 100]%
    = 810/8 - 100 %
    = (810 - 800) / 8 %
    = 10/8 % = 5/4 %
    =11/4% gain

  1. A man sold two watches, each for ₹ 495. If he gained 10% on one watch and suffered a loss of 10% on the other, then what is the loss of gain percentage in the transaction ?








  1. View Hint View Answer Discuss in Forum

    Loss % = (a/10)2%

    Correct Option: B

    Loss % = (a/10)2%
    = (10/10)2%
    = 1%

  1. The price of a land passing through three hands, rises on the whole by 65%. If the first and second sellers earned 20% and 25% profit, respectively. Find the profit earned by the third seller ?










  1. View Hint View Answer Discuss in Forum

    Required profit = (100 + 65) x (100/120) x (100/125) - 100

    Correct Option: C

    Required profit = (100 + 65) x (100/120) x (100/125) - 100
    = 110 - 100 = 10%

  1. A person sold a watch at a profit of 10%. If he had sold it for ₹ 2000 more, he would have gained 20%. Find the CP of watch ?








  1. View Hint View Answer Discuss in Forum

    Here, a = 10% , b = 20% , r = 2000
    According to the formula
    CP of watch = [r/(b - a)] x 100 = [2000/(20 - 10)] x 100

    Correct Option: C

    Here, a = 10% , b = 20% , r = 2000
    According to the formula
    CP of watch = [r/(b - a)] x 100 = [2000/(20 - 10)] x 100
    = (2000 x 100)/10
    = ₹ 20000

  1. A dishonest dealer sells his goods at 10% loss on cost price and uses 30% less weight. What is his profit or loss per cent ?








  1. View Hint View Answer Discuss in Forum

    Given that, a = 10% and b = 30%
    According to the formula,
    Required per cent = [(b - a)/(100 - b)] x 100

    Correct Option: D

    Given that, a = 10% and b = 30%
    According to the formula,
    Required per cent = [(b - a)/(100 - b)] x 100
    = [(30 - 10)/(100 - 30)] x 100
    = (20/70) x 100 = 200/7%
    = 284/7% profit