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Saudi Arabia · Grade 8 · Practice Sheet 26

Sheet code: SAUDI-ARABIA-G8-S26 · 20 questions

Name: ______________
Date: ______________
  1. 1.

    SAR 55 is shared in the ratio 4 : 1. Find each share.

    Formula:Dividing in a Ratio
    share=parttotal parts×T\text{share} = \dfrac{\text{part}}{\text{total parts}} \times T
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  2. 2.

    A current of 3.6 A flows through a 53 Ω resistor. Find the voltage across it.

    Formula:Ohm's Law
    V=IRV = I R
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  3. 3.

    A car travels 378 km in 6 hours. Find its average speed.

    Formula:Speed
    v=dtv = \dfrac{d}{t}
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  4. 4.

    A value changes from 117 to 47. Find the percentage change (to 2 d.p.).

    Formula:Percentage Change
    % change=new−oldold×100\%\,\text{change} = \dfrac{\text{new} - \text{old}}{\text{old}} \times 100
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  5. 5.

    A car travels 144 km in 2 hours. Find its average speed.

    Formula:Speed
    v=dtv = \dfrac{d}{t}
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  6. 6.

    A cylinder has radius 6 cm and height 9 cm. Find its volume. (π ≈ 3.14159)

    Formula:Volume of a Cylinder
    V=πr2hV = \pi r^2 h
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  7. 7.

    An object has mass 41.4 g and volume 23 cm³. Find its density.

    Formula:Density
    ρ=mV\rho = \dfrac{m}{V}
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  8. 8.

    A current of 0.7 A flows through a 5 Ω resistor. Find the voltage across it.

    Formula:Ohm's Law
    V=IRV = I R
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  9. 9.

    A circle has a radius of 4 cm. Find its area. (Use π ≈ 3.14159)

    Formula:Area of a Circle
    A=πr2A = \pi r^2
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  10. 10.

    A force of 233 N acts on an area of 3.3 m². Find the pressure.

    Formula:Pressure
    P=FAP = \dfrac{F}{A}
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  11. 11.

    A value changes from 168 to 210. Find the percentage change (to 2 d.p.).

    Formula:Percentage Change
    % change=new−oldold×100\%\,\text{change} = \dfrac{\text{new} - \text{old}}{\text{old}} \times 100
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  12. 12.

    A train moves at 88 km/h for 4.4 hours. How far does it travel?

    Formula:Distance from Speed & Time
    d=v×td = v \times t
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  13. 13.

    An object has mass 276 g and volume 46 cm³. Find its density.

    Formula:Density
    ρ=mV\rho = \dfrac{m}{V}
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  14. 14.

    A value changes from 93 to 242. Find the percentage change (to 2 d.p.).

    Formula:Percentage Change
    % change=new−oldold×100\%\,\text{change} = \dfrac{\text{new} - \text{old}}{\text{old}} \times 100
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  15. 15.

    SAR 216 is shared in the ratio 4 : 5. Find each share.

    Formula:Dividing in a Ratio
    share=parttotal parts×T\text{share} = \dfrac{\text{part}}{\text{total parts}} \times T
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  16. 16.

    A value changes from 189 to 229. Find the percentage change (to 2 d.p.).

    Formula:Percentage Change
    % change=new−oldold×100\%\,\text{change} = \dfrac{\text{new} - \text{old}}{\text{old}} \times 100
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  17. 17.

    A right-angled triangle has legs of 4 cm and 17 cm. Find the length of the hypotenuse.

    Formula:Pythagorean Theorem
    c=a2+b2c = \sqrt{a^2 + b^2}
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  18. 18.

    A car travels 425 km in 5 hours. Find its average speed.

    Formula:Speed
    v=dtv = \dfrac{d}{t}
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  19. 19.

    A triangle has a base of 18 cm and a height of 10 cm. Find its area.

    Formula:Area of a Triangle
    A=12bhA = \tfrac{1}{2} b h
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  20. 20.

    A cylinder has radius 8 cm and height 22 cm. Find its volume. (π ≈ 3.14159)

    Formula:Volume of a Cylinder
    V=πr2hV = \pi r^2 h
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