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Civil Service · Practice Sheet 39

Sheet code: UAE-CIVIL-SERVICE-S39 · 20 questions

Name: ______________

Date: ______________

1.
Quantitative Aptitude
A vehicle covers 396 km in 6 hours. Find its average speed.
Formula:Speed, Distance & Time
$\text{Speed} = \dfrac{\text{Distance}}{\text{Time}}$
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2.
Quantitative Aptitude
The sum of the ages of two people is 28 years, and one is 4 years older than the other. Find their ages.
Formula:Ages (linear equations)
$x + (x+d) = S$
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3.
Quantitative Aptitude
The marked price of an item is AED 1,100. After a 50% discount, find the selling price.
Formula:Discount & Selling Price
$SP = MP\left(1-\dfrac{d}{100}\right)$
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4.
Quantitative Aptitude
Two fair dice are rolled. What is the probability that the sum of the numbers is 8?
Formula:Probability (two dice)
$P = \dfrac{\text{favourable}}{\text{total}}$
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5.
Quantitative Aptitude
In how many ways can 2 objects be chosen from 8 distinct objects? (Find ⁿᴄᵣ for n = 8, r = 2.)
Formula:Combinations
$^{n}C_{r} = \dfrac{n!}{r!\,(n-r)!}$
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6.
Quantitative Aptitude
A invests AED 10,000 and B invests AED 4,000 for the same period. If the total profit is AED 18,000, find A's share.
Formula:Partnership (profit share)
$\text{Share}_A = \text{Profit}\times\dfrac{A}{A+B}$
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7.
Quantitative Aptitude
The marked price of an item is AED 1,000. After a 25% discount, find the selling price.
Formula:Discount & Selling Price
$SP = MP\left(1-\dfrac{d}{100}\right)$
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8.
Quantitative Aptitude
A value changes from 600 to 660. Find the percentage increase.
Formula:Percentage Change
$\%\,\text{change} = \dfrac{|new-old|}{old}\times 100$
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9.
Quantitative Aptitude
The sum of the ages of two people is 88 years, and one is 8 years older than the other. Find their ages.
Formula:Ages (linear equations)
$x + (x+d) = S$
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10.
Quantitative Aptitude
A vehicle covers 720 km in 8 hours. Find its average speed.
Formula:Speed, Distance & Time
$\text{Speed} = \dfrac{\text{Distance}}{\text{Time}}$
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11.
Quantitative Aptitude
A can finish a job in 19 days and B in 11 days. Working together, how long will they take?
Formula:Time & Work (combined)
$T = \dfrac{xy}{x+y}$
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12.
Quantitative Aptitude
The sum of the ages of two people is 40 years, and one is 12 years older than the other. Find their ages.
Formula:Ages (linear equations)
$x + (x+d) = S$
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13.
Quantitative Aptitude
What is 30% of 820?
Formula:Percentage of a Number
$\text{Value} = \dfrac{P}{100}\times N$
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14.
Quantitative Aptitude
Find the HCF and LCM of 11 and 13.
Formula:LCM & HCF
$\text{LCM}\times\text{HCF} = a\times b$
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15.
Quantitative Aptitude
Pipe A fills a tank in 8 hours and pipe B in 3 hours. If both are opened together, how long to fill the tank?
Formula:Pipes & Cisterns
$T = \dfrac{xy}{x+y}$
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16.
Quantitative Aptitude
Find the average of these 10 numbers: 82, 33, 67, 53, 47, 23, 25, 89, 53, 74.
Formula:Arithmetic Mean
$\bar{x} = \dfrac{\sum x}{n}$
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17.
Quantitative Aptitude
The marked price of an item is AED 200. After a 50% discount, find the selling price.
Formula:Discount & Selling Price
$SP = MP\left(1-\dfrac{d}{100}\right)$
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18.
Quantitative Aptitude
What is 40% of 140?
Formula:Percentage of a Number
$\text{Value} = \dfrac{P}{100}\times N$
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19.
Quantitative Aptitude
A value changes from 300 to 450. Find the percentage increase.
Formula:Percentage Change
$\%\,\text{change} = \dfrac{|new-old|}{old}\times 100$
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20.
Quantitative Aptitude
Two fair dice are rolled. What is the probability that the sum of the numbers is 8?
Formula:Probability (two dice)
$P = \dfrac{\text{favourable}}{\text{total}}$
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