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Police & Armed Forces · Practice Sheet 35

Sheet code: UAE-POLICE-S35 · 20 questions

Name: ______________

Date: ______________

1.
Physics
Find the kinetic energy of a 7 kg object moving at 4 m/s.
Formula:Kinetic Energy
$KE = \tfrac{1}{2}mv^{2}$
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2.
Quantitative Aptitude
Find the compound interest on AED 12,000 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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3.
Physics
A constant force of 140 N moves an object 35 m in the direction of the force. Calculate the work done.
Formula:Work Done
$W = F\,d$
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4.
Quantitative Aptitude
A vehicle covers 280 km in 4 hours. Find its average speed.
Formula:Speed, Distance & Time
$\text{Speed} = \dfrac{\text{Distance}}{\text{Time}}$
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5.
Physics
If 778 J of work is done in 9 s, find the power.
Formula:Power
$P = \dfrac{W}{t}$
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6.
Quantitative Aptitude
Find the simple interest on AED 47,000 at 8% per annum for 6 year(s).
Formula:Simple Interest
$SI = \dfrac{P\times R\times T}{100}$
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7.
Quantitative Aptitude
Pipe A fills a tank in 6 hours and pipe B in 15 hours. If both are opened together, how long to fill the tank?
Formula:Pipes & Cisterns
$T = \dfrac{xy}{x+y}$
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8.
Quantitative Aptitude
Two fair dice are rolled. What is the probability that the sum of the numbers is 7?
Formula:Probability (two dice)
$P = \dfrac{\text{favourable}}{\text{total}}$
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9.
Physics
Find the kinetic energy of a 5 kg object moving at 10 m/s.
Formula:Kinetic Energy
$KE = \tfrac{1}{2}mv^{2}$
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10.
Physics
A force of 331 N acts on an area of 44 m². Find the pressure.
Formula:Pressure
$P = \dfrac{F}{A}$
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11.
Quantitative Aptitude
A invests AED 3,000 and B invests AED 8,000 for the same period. If the total profit is AED 36,000, find A's share.
Formula:Partnership (profit share)
$\text{Share}_A = \text{Profit}\times\dfrac{A}{A+B}$
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12.
Quantitative Aptitude
Divide AED 1,837 between two people in the ratio 7:4. 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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13.
Physics
Find the electrical power when 2 V drives a current of 9 A.
Formula:Electrical Power
$P = VI$
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14.
Physics
Find the momentum of a 21 kg body moving at 2 m/s.
Formula:Linear Momentum
$p = mv$
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15.
Quantitative Aptitude
Two fair dice are rolled. What is the probability that the sum of the numbers is 5?
Formula:Probability (two dice)
$P = \dfrac{\text{favourable}}{\text{total}}$
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16.
Physics
A force of 633 N acts on an area of 28 m². Find the pressure.
Formula:Pressure
$P = \dfrac{F}{A}$
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17.
Physics
Find the force required to accelerate a 33 kg mass at 9 m/s².
Formula:Newton's Second Law (F = ma)
$F = ma$
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18.
Quantitative Aptitude
The marked price of an item is AED 600. After a 30% discount, find the selling price.
Formula:Discount & Selling Price
$SP = MP\left(1-\dfrac{d}{100}\right)$
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19.
Quantitative Aptitude
Divide AED 864 between two people in the ratio 2:6. 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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20.
Quantitative Aptitude
A can finish a job in 9 days and B in 20 days. Working together, how long will they take?
Formula:Time & Work (combined)
$T = \dfrac{xy}{x+y}$
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