Civil Service · Practice Sheet 22

1. 1.

   Quantitative Aptitude

   The marked price of an item is AED 400. After a 10% discount, find the selling price.

   Formula:Discount & Selling Price

   $SP = MP\left(1-\dfrac{d}{100}\right)$

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2. 2.

   Quantitative Aptitude

   A vehicle covers 413 km in 7 hours. Find its average speed.

   Formula:Speed, Distance & Time

   $\text{Speed} = \dfrac{\text{Distance}}{\text{Time}}$

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3. 3.

   Quantitative Aptitude

   Two varieties costing AED 32 and AED 71 per kg are mixed to give a mixture worth AED 49 per kg. Find the mixing ratio.

   Formula:Alligation (Mixtures)

   $\dfrac{q_1}{q_2} = \dfrac{p_2-m}{m-p_1}$

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4. 4.

   Quantitative Aptitude

   Find the compound interest on AED 2,000 at 20% per annum compounded annually for 2 years.

   Formula:Compound Interest

   $A = P\left(1+\dfrac{R}{100}\right)^{T}$

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5. 5.

   Quantitative Aptitude

   What is 30% of 580?

   Formula:Percentage of a Number

   $\text{Value} = \dfrac{P}{100}\times N$

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6. 6.

   Quantitative Aptitude

   A can finish a job in 12 days and B in 6 days. Working together, how long will they take?

   Formula:Time & Work (combined)

   $T = \dfrac{xy}{x+y}$

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7. 7.

   Quantitative Aptitude

   A value changes from 400 to 320. Find the percentage decrease.

   Formula:Percentage Change

   $\%\,\text{change} = \dfrac{|new-old|}{old}\times 100$

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8. 8.

   Quantitative Aptitude

   Find the compound interest on AED 15,000 at 20% per annum compounded annually for 3 years.

   Formula:Compound Interest

   $A = P\left(1+\dfrac{R}{100}\right)^{T}$

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9. 9.

   Quantitative Aptitude

   A vehicle covers 510 km in 6 hours. Find its average speed.

   Formula:Speed, Distance & Time

   $\text{Speed} = \dfrac{\text{Distance}}{\text{Time}}$

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10. 10.

    Quantitative Aptitude

    An item is bought for AED 700 and sold for AED 875. Find the profit percentage.

    Formula:Profit Percentage

    $\text{Profit\%} = \dfrac{SP-CP}{CP}\times 100$

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11. 11.

    Quantitative Aptitude

    A invests AED 2,000 and B invests AED 3,000 for the same period. If the total profit is AED 32,000, find A's share.

    Formula:Partnership (profit share)

    $\text{Share}_A = \text{Profit}\times\dfrac{A}{A+B}$

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12. 12.

    Quantitative Aptitude

    The marked price of an item is AED 1,400. After a 30% discount, find the selling price.

    Formula:Discount & Selling Price

    $SP = MP\left(1-\dfrac{d}{100}\right)$

    View formula →
13. 13.

    Quantitative Aptitude

    Divide AED 1,155 between two people in the ratio 2:3. How much does each receive?

    Formula:Sharing in a Ratio

    $\text{Share} = \text{Total}\times\dfrac{\text{part}}{\text{sum of parts}}$

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14. 14.

    Quantitative Aptitude

    An item is bought for AED 700 and sold for AED 840. Find the profit percentage.

    Formula:Profit Percentage

    $\text{Profit\%} = \dfrac{SP-CP}{CP}\times 100$

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15. 15.

    Quantitative Aptitude

    Find the compound interest on AED 12,000 at 10% per annum compounded annually for 3 years.

    Formula:Compound Interest

    $A = P\left(1+\dfrac{R}{100}\right)^{T}$

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16. 16.

    Quantitative Aptitude

    Divide AED 2,480 between two people in the ratio 5:5. How much does each receive?

    Formula:Sharing in a Ratio

    $\text{Share} = \text{Total}\times\dfrac{\text{part}}{\text{sum of parts}}$

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17. 17.

    Quantitative Aptitude

    Two fair dice are rolled. What is the probability that the sum of the numbers is 9?

    Formula:Probability (two dice)

    $P = \dfrac{\text{favourable}}{\text{total}}$

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18. 18.

    Quantitative Aptitude

    Two varieties costing AED 38 and AED 95 per kg are mixed to give a mixture worth AED 75 per kg. Find the mixing ratio.

    Formula:Alligation (Mixtures)

    $\dfrac{q_1}{q_2} = \dfrac{p_2-m}{m-p_1}$

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19. 19.

    Quantitative Aptitude

    A can finish a job in 10 days and B in 12 days. Working together, how long will they take?

    Formula:Time & Work (combined)

    $T = \dfrac{xy}{x+y}$

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20. 20.

    Quantitative Aptitude

    Find the simple interest on AED 4,000 at 5% per annum for 1 year(s).

    Formula:Simple Interest

    $SI = \dfrac{P\times R\times T}{100}$

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