Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

You see me once in June, twice in November, and not at all in May. What am I?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

In a family supper, a grandfather, a grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one daughter-in-law, and one mother-in-law need to sit at a table.

There are only seven chairs available at the place. How many more chairs do they have to borrow so that everyone can sit down together for the suppers if everybody requires a separate chair?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?