Replace the question mark with the correct number.
What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?
If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?
Can you place six X (crosses) in below board without making three in a row in any way ?
Cristina was born in 1888. She just had her 30th birthday today how did that happen?
I have two sand hourglasses: 1. A 7 minute one and 2. An 11-minute one. Using just these 2 sand hourglasses, how can I measure time as 15 minutes?
How can one talk without saying a single word?
The peacock is a bird that does not lay eggs. How do they get baby peacocks?
Can you make a six-letter word using the letters N, A and B ?
Why is the longest human nose just 11 inches?
People make me, save me, change me, raise me. What am I?
In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.
