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प्रश्न
Amina's water bottle holds one litre of water. She drank 250 mL of water and her friend Govind drank 150 mL. How much water is left in her bottle?
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उत्तर
Total water holds in bottle = 1 litre = 1000 mL
Total water they drank = Water drunk by Anima + Water drunk by Govind
= 250 mL + 150 mL = 400 mL
Water left in her bottle = 1000 mL – 400 mL
= 600 mL.
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संबंधित प्रश्न
Ramu got an empty 250 mL coconut oil bottle. Look at the picture and discuss what he did to make his big measuring bottle.
Is there any tap in your school or your home which is leaking?
Now look at the buckets in your house.
Guess how many litres of water they can hold.
Use a 1 litre bottle and check if your guess is right for all the buckets.
| Bucket | My guess | My measure |
| Bucket 1 | ||
| Bucket 2 | ||
| Bucket 3 |
Find out how many 
cups of water will fill your 
bottle.
First guess and then try it out.
Now, fill a different 
bottle with the same cup.
- Which bottle holds less water?
Try it with another 
bottle.
- Which bottle holds the least water?
Select the one which holds more water.
Anil is a milkman. He gives the same amount of milk at Rani's house every day. He uses a 
mug three times to fill Rani's milk pot 
.
One day Rani's mother gave her a different 
pot to take milk. Every day Rani's pot would fill to the top. But today Rani found that the pot 
was not filled completely.
Do you think Anil has given Rani less milk? Help her.
Do you want to know how the water in the 
pitcher came up?
Take two 
glasses of the same size.
Fill half of each glass with water.
You have to put tamarind (imli) seeds in the first glass to raise the
water to the top. Guess how many seeds you will need to put in.
Now, do it. Count the number of seeds used.
Now put the same number of marbles in the second glass.
What happens?
Repeat it with stones.
What happens now? Why?
Talk about it in the class.
 |
 |
 |
Guess and then find out:
How many mugs of water do you use to take a bath?
How much water will fill a balloon?
I can drink 9 buckets of water at once. How many buckets can two camels drink at once?
