McGraw Hill Financial Interview Question: You have 2 buckets, one holds... | Glassdoor

## Interview Question

Project Manager Interview New York, NY

# You have 2 buckets, one holds 5 gallons and one holds

3 gallons. How can you measure out 4 gallons of water?

6

Fill the three gallon bucket. Empty it onto the 5 gallon bucket. Fill the 3 gallon bucket again. Fill the 5 gallon bucket to the top with the contents of the 3 gallon bucket. There is now 1 gallon remaining in the 3 gallon bucket. Empty the full 5 gallon bucket. Pour the 1 gallon from the 3 gallon bucket into the 5 gallon bucket. Fill the 3 gallon bucket. Add the 3 gallons to the 1 gallon in the 5 gallon bucket. You now have 4 gallons in the 5 gallon bucket.

Anonymous on Aug 13, 2009
2

Fill the three gallon bucket. Empty it onto the 5 gallon bucket. Fill the 3 gallon bucket again. Fill the 5 gallon bucket to the top with the contents of the 3 gallon bucket. There is now 1 gallon remaining in the 3 gallon bucket. Empty the full 5 gallon bucket. Pour the 1 gallon from the 3 gallon bucket into the 5 gallon bucket. Fill the 3 gallon bucket. Add the 3 gallons to the 1 gallon in the 5 gallon bucket. You now have 4 gallons in the 5 gallon bucket.

Anonymous on Aug 13, 2009
8

OR ----fill the 5 pour as much as you can in to the 3 This leaves two in the 5. Empty the three. pour the 2 gallons from the 5 into the three. fill the 5 then top off the 3 from the five. This leaves 4 in the 5

udrahcir on Mar 30, 2010
6

Fill up half way in both buckets. 2.5 + 1.5 = 4.

Anonymous on Jan 15, 2011