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Comparing Quantities Test - 68

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Comparing Quantities Test - 68
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  • Question 1
    1 / -0
    Sales tax on the cloth is reduced by 10%10\% but the sales increase by 10%10\%. What is the effect on the revenue earned as sales tax?
    Solution
    Let the sales be of x x and the sales tax be yy%

    Then,
    Revenue=x+y100x           (1)x+\dfrac{y}{100}x~~~~~~~~~~~-(1)

    When Sales tax recued by 1010% but sales increase by 1010% then

    Revenue=(x+10100x+(y10)100x=(x+\dfrac{10}{100}x+\dfrac{(y-10)}{100}x

    =x+10100x+y100x10100x=x+\dfrac{10}{100}x+\dfrac{y}{100}x-\dfrac{10}{100}x

    =x+y100x    (2)=x+\dfrac{y}{100}x~~~~-(2)

    from eqs.(1) and (2) we

    Revenue remains the same.

  • Question 2
    1 / -0
    Choose the most appropriate option.
    A trader sells rice at a profit of 20%20\% and uses weights which are 10%10\% less than the correct weight. The total gain earned by him is:
  • Question 3
    1 / -0
    A species has an initial population 410.{ 4 }^{ 10 }. At the end of second day, it decreases by the same percentage. If the process continues in the same pattern, the number of days for the population to reach 310.{ 3 }^{ 10 }. is
    Solution

  • Question 4
    1 / -0
    A reduction of 2020% in the price of wheat enables Bhuvnesh to buy 5 kg5\ kg more wheat for Rs.320Rs.320. The original rate (in rupees per kgkg) of wheat was:
    Solution

  • Question 5
    1 / -0
    A dishonest dealer professes to sell his goods at cost price but uses a weight of 960 gms960\ gms instead of a KgKg weight. Find his gain % ?
    Solution

  • Question 6
    1 / -0
    If the selling price of an article is 43rd\frac{4}{3}rd of its cost price the profit in the transaction is
    Solution

  • Question 7
    1 / -0
    The value of a machine depreciate 5% annually.  If is present  value is Rs 200000, its value after 2 years will be 
    Solution

  • Question 8
    1 / -0
    A bookseller sells a book at  a gain of 10%.If he had brought it at 4% less sold it for Rs.6 more,he would have gained 183418\frac {3}{4}%.The cost price of the book is
    Solution

  • Question 9
    1 / -0
    If 20% of x= 30% of y + 40% of z, then 
    Solution

  • Question 10
    1 / -0
    Amita purchased a basket ball for 2896 including sales tax. If the rate of sales tax is  12%,   12 \%,  then the selling price of the basket ball is:
    Solution

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