High School

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1. How many centimetres make one kilometre?
a. 100
b. 1000
c. 10000
d. 100000

2. How many milligrams make one kilogram?
a. 1000
b. 10000
c. 100000
d. 1000000

3. How many millimetres make one kilometre?
a. 100000
b. 1000000
c. 10000000
d. 10000

4. Medicinal syrups are generally measured in:
a. millilitre
b. centilitre
c. decilitre
d. litre

5. Change the following quantities into the required units:
a. 35,000 cm into m
b. 15,000 g into kg
c. 28,000 m into km
d. 7000 mL into L
e. 56,000 mg into g

6. Sarika walked 900 m each day. How far did she walk in a week?

7. How many 200 mL cups of water are needed to fill a 2 L jug?

Answer :

Let's address each part of the question step by step:

  1. How many centimeters make one kilometer?

    A kilometer is a unit of length in the metric system equal to 1,000 meters, and there are 100 centimeters in a meter. Therefore, to find out how many centimeters are in a kilometer, you multiply:

    [tex]1,000 \text{ meters} \times 100 \text{ centimeters/meter} = 100,000 \text{ centimeters}[/tex]

    The correct option is d. 100,000.

  2. How many milligrams make one kilogram?

    A kilogram is equal to 1,000 grams, and there are 1,000 milligrams in a gram. Therefore, to find out how many milligrams are in a kilogram, you multiply:

    [tex]1,000 \text{ grams} \times 1,000 \text{ milligrams/gram} = 1,000,000 \text{ milligrams}[/tex]

    The correct option is d. 1,000,000.

  3. How many millimeters make one kilometer?

    A kilometer is 1,000 meters, and there are 1,000 millimeters in a meter. Therefore, to find out how many millimeters are in a kilometer, you multiply:

    [tex]1,000 \text{ meters} \times 1,000 \text{ millimeters/meter} = 1,000,000 \text{ millimeters}[/tex]

    The correct option is b. 1,000,000.

  4. Medicinal syrups are generally measured in:

    Medicinal syrups are commonly measured in milliliters (mL). Therefore, the correct option is a. millilitre.

  5. Change the following quantities into the required units:

    a. 35,000 cm into meters:

    Since there are 100 centimeters in a meter:

    [tex]\frac{35,000}{100} = 350 \text{ meters}[/tex]

    b. 15,000 g into kilograms:

    Since there are 1,000 grams in a kilogram:

    [tex]\frac{15,000}{1,000} = 15 \text{ kilograms}[/tex]

    c. 28,000 m into kilometers:

    Since there are 1,000 meters in a kilometer:

    [tex]\frac{28,000}{1,000} = 28 \text{ kilometers}[/tex]

    d. 7,000 mL into liters:

    Since there are 1,000 milliliters in a liter:

    [tex]\frac{7,000}{1,000} = 7 \text{ liters}[/tex]

    e. 56,000 mg into grams:

    Since there are 1,000 milligrams in a gram:

    [tex]\frac{56,000}{1,000} = 56 \text{ grams}[/tex]

  6. Sarika walked 900 m each day. How far did she walk in a week?

    Since a week has 7 days, Sarika walked:

    [tex]900 \text{ meters/day} \times 7 \text{ days} = 6,300 \text{ meters}[/tex]

  7. How many 200 mL cups of water are needed to fill a 2 L jug?

    First, convert 2 liters into milliliters since 1 liter is 1,000 milliliters:

    [tex]2 \text{ liters} \times 1,000 = 2,000 \text{ milliliters}[/tex]

    To find out how many 200 mL cups are needed:

    [tex]\frac{2,000}{200} = 10 \text{ cups}[/tex]

    So, you would need 10 cups to fill the jug.

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