Calculate the water
Written on 12:14 am by Vja Students
A man at river has 9 gallon bucket and a 4 gallon bucket.He needs exactly 6 gallons of water.
how can he use both the buckets to get exactly 6 gallons of water?
Note:: He cannot estimate my dumping some of the water from 9 gallons bucket or of 4 gallons bucket.
Answer ::Steps to perform
| steps | 4 gallons(P) | 9 gallons(Q) |
| initialiy | 0 | 0 |
| fill the 9 gallon bucket | 0 | 9 |
| pour 4 gallons from Q to P | 4 | 5 |
| Empty bucket P | 0 | 5 |
| pour 4 gallons from Q to P | 4 | 1 |
| empty bucket p | 0 | 1 |
| pour 1 gallon from Q yo P | 1 | 0 |
| fill the bucket 9 gallon bucket | 1 | 9 |
| pour 3 gallons of water from Q to P | 4 | 6 |
1. fill 9 gallon bucket
2. take out 4 gallon out of it twice, (left with 1 gallon in it)
3. pour that 1 gallon to 4 gallon bucket.
4. fill 9 gallon bucket again and pour from it to fill 4 gallon bucket; 3 gallon get transfered and we remain with 6 gallons in it.