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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
Have you seen a one-liter water bottle?
Collect a 1-liter bottle and some other small bottles. Guess how many times you have to pour from each of the small bottles to fill the liter bottle.
Check if your guess is correct and fill the table.
| Bottles | My guess | My measure |
| Bottle 1 | ||
| Bottle 2 | ||
| Bottle 3 | ||
Ramu got an empty 250 mL coconut oil bottle. Look at the picture and discuss what he did to make his big measuring bottle.
Chelannur village has a milk society. Geetha and Ammini went there to buy 4 litres of milk. But the man could not find the one-litre measure. He had only a 3 litre and a 5-litre bottle with him. But he gave them exactly 4 litres of milk. Explain how he did this.
Get a 1 litre bottle (can be an empty bottle of water, oil etc.). Now collect some bottles and a mug, jug, glass, bowl, etc. at your house. Use the 1 litre bottle to check which of these holds more than 1 litre and which one holds less than 1 litre. Make a small drawing if you like.
| Less than 1 litre | More than 1 litre |
| bowl | big cooking pot |
Which is the biggest pothole?
You will need
 |
 |
 |
 |
| Half a lemon | A pinch of salt | One spoon of sugar | One glass of water |
How to make it:
 |
⇒ |  |
⇒ |  |
⇒ |  |
Guess and then find out:
- How many drops of lemon juice do you get from
half a lemon? - How many drops of lemon juice do you get from
a full lemon? - How many drops of lemon juice fill one
spoon?
There is a fair in Chaitra's village. Chaitra, Nazim and Aneesh want to put up a stall to sell lemon drink. They make a 
bucket full of lemon drink.
They use two 
different sizes of glasses.
Chaitra found that two small 
glasses fill one 
big glass.
- How many small glasses of lemon drink will fill the
jug? - How many small
glasses will fill half the jug?
Select the one which holds more water.
Guess and then find out:
How many mugs of water fill one bucket?
Chirpy crow was very thirsty. It looked everywhere but could not find water. Suddenly it saw a 
pitcher (matka). When it tried to drink water, it found there was very little water in the 
pitcher.
It saw 
pebbles lying nearby.
It put the pebbles into the pitcher one by one.
The water came up 
.
Chirpy drank water and flew away.
What will you do if you were at the crow's place?
