Question

POT A POT B 1. Pot A contains 5 litres of milk Pot B is empty. 4 litres of milk have to be transferred from A to B, using two glasses, one with a capacity of 3 litres and the other with a capacity of 2 litres. But the condition is that the glass with 2 litres capacity should be used only once. How would you do it? 2. The length of a dining table is 150 cm and the width is 100 cm. A table sheet is required to cover the top of this table. What should be the length and width of the cover, if it hangs down about 10 cm from all the four sides? 3. How many times do you need to use a mug (250 ml) to fill up a bucket (31) with water? (Hint: 11 = 1000 ml) ​

Answer 1

Answer:

1) Take 3 L of water in the 3L bottle and transfer to the 5L bottle.

2) Again take 3L water in the 3L bottle and transfer to 5L bottle(which already has 3L). This time 5L bottle gets full (with 2L from the 3L bottle) and the remaining water in 3L bottle is 1L. Add this to the pot.

3) Now, fill the 3L bottle for the last time and transfer the water to the pot . We have 1L + 3L = 4L of water in the pot.

Answer 2

Answer:

Initial

3 ltr bottle : Empty

5 ltr bottle : Empty

2 Ways :-

1 )Fill 3ltr bottle

3 ltr bottle : 3 ltr

5 ltr bottle : Empty

1.1) pour the content from 3ltr bottle to 5 ltr

3 ltr bottle : Empty

5 ltr bottle : 3ltr

1.2) Fill the 3ltr bottle from sea again

3 ltr bottle : 3ltr

5 ltr bottle : 3ltr

1.3) Pour the content from 3ltr to 5ltr bottle untill 5ltr bottle is fully filled

3 ltr bottle : 1 ltr

5 ltr bottle : 5 ltr

1.4) Pour the content of 5ltr bottle back to sea.

3 ltr bottle : 1ltr

5 ltr bottle : Empty

1.5)Pour the content of 3ltr bottle to 5ltr bottle

3 ltr bottle : Empty

5 ltr bottle : 1ltr

1.6)Fill up the 3ltr bottle from sea and add its content to 5ltr bottle

3 ltr bottle : Empty

5 ltr bottle : 4ltr

2nd way

2) Fill up 5ltr bottle

3 ltr bottle : Empty

5 ltr bottle : 5ltr

2.1) Add content of 5ltr bottle to 3ltr bottle

3 ltr bottle : 3ltr

5 ltr bottle : 2ltr

2.2) Put the content of 3ltr bucket back to sea

3 ltr bottle : Empty

5 ltr bottle : 2ltr

2.3) pour the content of 5ltr bucket to 3ltr bucket

3 ltr bottle : 2ltr

5 ltr bottle : Empty

2.4) Fill the 5ltr bucket from sea

3 ltr bottle : 2ltr

5 ltr bottle : 5ltr

2.5) Pour the content from 5ltr to 3ltr bucket untill the 3ltr bottle is full

3 ltr bottle : 3ltr

5 ltr bottle : 4ltr

Now the 5 ltr bucket will have 4ltr of sea water.

Explanation:

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