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प्रश्न
Find out how much water is wasted in a day?
- In a week?
- In a month?
- In a year?
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उत्तर
In one hour 1 L water is wasted
So, in 1 day or 24 hours water wasted = 1 L × 24 = 24 L.
- In one day 24 L of water is wasted
So, in one week or 7 days
= 24 L × 7
= 168 L. - In one day 24 L of water is wasted
Therefore, in a month which has 30 days, water wasted
= 24 L × 30
= 720 L. - In one month 720 L of water is wasted
Therefore in one year, which has 12 months of water wasted
= 720 L × 12
= 8640 L.
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संबंधित प्रश्न
Do you like kheer? What do you call it at home?
Look at the buckets, mugs, glasses and other things in your house. Guess how much water each can hold. Check if your guess is right by using your measuring bottle.
| My Guess | My Measure | |
| Mug | ||
| Glass | ||
| Pot | ||
How much do we use at a time?
| Eye drops | We use less than 1 mL at a time. |
Match the Right Pairs
| About 12 liters |
(to measure milk) |
| Less than Half litre |
(water tank) |
| About 5 litres |
(bucket) |
| 1000 litres |
(eye drops bottle) |
| Half litre |
(water suraahi) |

Mark A, B, C on the right hole in the picture.

Which is the biggest pothole?

If jugs are used, hole A gets filled with 5 jugs. How many jugs of pebbles are needed to fill hole B?
You will need
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| Half a lemon | A pinch of salt | One spoon of sugar | One glass of water |
How to make it:
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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?
For making 6 glasses of lemon drink –
- How many lemons will you need?
- How many spoons of sugar will you take?
I can drink 9 buckets of water at once. How many buckets can two camels drink at once?













