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प्रश्न
The table shows the water used in one day by a family of 5 people. They live in Goodallur village.
| Activity | Water in liters (L) |
| Cooking and drinking | 30 L |
| Washing clothes | 40 L |
| Cleaning pots, pans | 20 L |
| Bathing | 75 L |
Total water used by them.
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उत्तर
Total water used by them
= 30 L + 40 L + 20 L + 75 L
= 165 L.
APPEARS IN
संबंधित प्रश्न
Look at these pictures. Now look for some other things we get in packets or bottles like these. Make your own list.
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| Packet | How many mL or L? |
| Milk | 500 mL |
Find your own way to make a bottle which can measure 200 mL, 400 mL, 600 mL, 800 mL and 1 litre. Discuss with your friends and teacher how you made this.
Radha's grandma was ill. The doctor gave her a bottle with 200 mL of medicine. She has to take the medicine every morning for 10 days.
How many milliliters of medicine does she have to take every morning?
Place your litre jar below the leaking tap so as to catch all the drops in the bottle. Note the time. After one hour check, how much water is in the 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.
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?
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.
Nazim found that two big 
glasses fill the 
jug.
Shabnam wants to buy one jug full of lemon drink.
How much does she need to pay?
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.
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.
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