Q1: Riya walks 2.5 km every day to reach school. Convert this distance into meters.
Ans: 1km=1000m
2.5 km=2.5×1000 m=2500 m
Q2: The length of a swimming pool is 25 m and 80 cm. Express this length in centimeters.
Ans: 1m=100cm 25 m80 cm=25×100+80=2580 cm
Q3: A water tank has a capacity of 5 hectolitres. Express this capacity in liters.
Ans: 1 hectolitre=100 liters
5 hectolitres=5×100=500 liters
Q4: Dinesh's height is 142 cm. Express his height in meters and millimeters.
Ans: 1 m=100 cm 142 cm=1 m42 cm=1.42 m
Q5: The temperature outside is 35°C. Convert this temperature to Fahrenheit.
Ans:
Q6: Meena jumped 3.75 m. Express this distance in decimeters.
Ans: 1m=10dm 3.75 m=3.75×10=37.5 dm
Q7: A bottle contains 750 mL of juice. How many centiliters of juice is in the bottle?
Ans: 1 L=100 cL 750 mL=7.5 cL
Q8: Anu walked 2.5 km and Rehana walked 3500 m. How much farther did Rehana walk compared to Anu?
Ans: 3500m−2.5km=3500m−2500m=1000m
Q9: The temperature is 68°F. Convert this temperature to Celsius.
Ans:
Q10: A rectangular box has dimensions 4 dm, 8 cm, and 60 mm. Find the volume of the box in cubic meters.
Ans: 1m=10dm
1 dm=0.1 m
1 cm=0.01 m
1 mm=0.001 m
Volume=4dm×(8cm×0.01)×(60mm×0.001)=0.192m3
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