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Oman · Grade 7 · Practice Sheet 46

Sheet code: OMAN-G7-S46 · 20 questions

Name: ______________
Date: ______________
  1. 1.

    OMR 184 is shared in the ratio 5 : 3. 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 bag has 21 equally likely marbles, of which 10 are red. Find the probability of drawing a red marble (to 3 d.p.).

    Formula:Simple Probability
    P(E)=favourabletotalP(E) = \dfrac{\text{favourable}}{\text{total}}
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  3. 3.

    A value changes from 23 to 168. 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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  4. 4.

    OMR 148 is shared in the ratio 2 : 2. 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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  5. 5.

    A value changes from 93 to 248. 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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  6. 6.

    OMR 65 is shared in the ratio 1 : 4. 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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  7. 7.

    One item costs OMR 2.33. Find the total cost of 19 items.

    Formula:Total Cost
    total=price×quantity\text{total} = \text{price} \times \text{quantity}
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  8. 8.

    A value changes from 66 to 49. 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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  9. 9.

    A right-angled triangle has legs of 20 cm and 10 cm. Find the length of the hypotenuse.

    Formula:Pythagorean Theorem
    c=a2+b2c = \sqrt{a^2 + b^2}
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  10. 10.

    Find the perimeter of a rectangle measuring 41 m by 25 m.

    Formula:Perimeter of a Rectangle
    P=2(l+w)P = 2(l + w)
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  11. 11.

    A right-angled triangle has legs of 4 cm and 18 cm. Find the length of the hypotenuse.

    Formula:Pythagorean Theorem
    c=a2+b2c = \sqrt{a^2 + b^2}
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  12. 12.

    OMR 162 is shared in the ratio 1 : 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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  13. 13.

    Convert 11.12 kilometres into metres.

    Formula:Metric Length Conversion
    1 km=1000 m1\,\text{km} = 1000\,\text{m}
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  14. 14.

    A car travels 816 km in 8 hours. Find its average speed.

    Formula:Speed
    v=dtv = \dfrac{d}{t}
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  15. 15.

    A rectangle is 27 cm long and 19 cm wide. Find its area.

    Formula:Area of a Rectangle
    A=l×wA = l \times w
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  16. 16.

    A car travels 567 km in 7 hours. Find its average speed.

    Formula:Speed
    v=dtv = \dfrac{d}{t}
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  17. 17.

    A rectangle is 26 cm long and 29 cm wide. Find its area.

    Formula:Area of a Rectangle
    A=l×wA = l \times w
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  18. 18.

    A car travels 174 km in 3 hours. Find its average speed.

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

    Find the mean (average) of these numbers: 10, 17, 69, 64.

    Formula:Arithmetic Mean
    xˉ=∑xn\bar{x} = \dfrac{\sum x}{n}
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  20. 20.

    OMR 4,200 is invested at 7.5% simple interest per year for 4 years. Find the interest earned.

    Formula:Simple Interest
    I=P×r×t100I = \dfrac{P \times r \times t}{100}
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