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Civil Service · Practice Sheet 40

Sheet code: UAE-CIVIL-SERVICE-S40 · 20 questions

Name: ______________

Date: ______________

1.
Quantitative Aptitude
An item is bought for AED 900 and sold for AED 1,080. Find the profit percentage.
Formula:Profit Percentage
$\text{Profit\%} = \dfrac{SP-CP}{CP}\times 100$
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2.
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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3.
Quantitative Aptitude
The sum of the ages of two people is 63 years, and one is 3 years older than the other. Find their ages.
Formula:Ages (linear equations)
$x + (x+d) = S$
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4.
Quantitative Aptitude
Find the compound interest on AED 5,000 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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5.
Quantitative Aptitude
The marked price of an item is AED 800. After a 30% discount, find the selling price.
Formula:Discount & Selling Price
$SP = MP\left(1-\dfrac{d}{100}\right)$
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6.
Quantitative Aptitude
Find the simple interest on AED 7,000 at 4% per annum for 4 year(s).
Formula:Simple Interest
$SI = \dfrac{P\times R\times T}{100}$
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7.
Quantitative Aptitude
The sum of the ages of two people is 88 years, and one is 14 years older than the other. Find their ages.
Formula:Ages (linear equations)
$x + (x+d) = S$
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8.
Quantitative Aptitude
Find the HCF and LCM of 6 and 35.
Formula:LCM & HCF
$\text{LCM}\times\text{HCF} = a\times b$
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9.
Quantitative Aptitude
Divide AED 480 between two people in the ratio 2:4. 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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10.
Quantitative Aptitude
Find the average of these 10 numbers: 63, 83, 87, 82, 84, 74, 53, 55, 34, 31.
Formula:Arithmetic Mean
$\bar{x} = \dfrac{\sum x}{n}$
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11.
Quantitative Aptitude
The sum of the ages of two people is 67 years, and one is 3 years older than the other. Find their ages.
Formula:Ages (linear equations)
$x + (x+d) = S$
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12.
Quantitative Aptitude
What is 30% of 440?
Formula:Percentage of a Number
$\text{Value} = \dfrac{P}{100}\times N$
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13.
Quantitative Aptitude
Two varieties costing AED 11 and AED 62 per kg are mixed to give a mixture worth AED 42 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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14.
Quantitative Aptitude
The sum of the ages of two people is 88 years, and one is 14 years older than the other. Find their ages.
Formula:Ages (linear equations)
$x + (x+d) = S$
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15.
Quantitative Aptitude
A can finish a job in 8 days and B in 10 days. Working together, how long will they take?
Formula:Time & Work (combined)
$T = \dfrac{xy}{x+y}$
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16.
Quantitative Aptitude
Find the HCF and LCM of 28 and 31.
Formula:LCM & HCF
$\text{LCM}\times\text{HCF} = a\times b$
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17.
Quantitative Aptitude
A vehicle covers 560 km in 7 hours. Find its average speed.
Formula:Speed, Distance & Time
$\text{Speed} = \dfrac{\text{Distance}}{\text{Time}}$
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18.
Quantitative Aptitude
In how many ways can 4 objects be arranged out of 5 distinct objects? (Find ⁿᴘᵣ for n = 5, r = 4.)
Formula:Permutations
$^{n}P_{r} = \dfrac{n!}{(n-r)!}$
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19.
Quantitative Aptitude
In how many ways can 3 objects be chosen from 6 distinct objects? (Find ⁿᴄᵣ for n = 6, r = 3.)
Formula:Combinations
$^{n}C_{r} = \dfrac{n!}{r!\,(n-r)!}$
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20.
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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