If it took eight men ten hours to build a wall, how long would it take four men to build it?
What can go through glass without breaking it?
Replace the (?) with the correct mathematical signs to make the expression equal to 59. 18 ? 12 ? 4 ? 5 = 59
How can you make number one disappear by adding something to it?
The product of three consecutive numbers is 7980. Then the sum of these consecutive numbers would be?
I’m tall when I’m young, and I’m short when I’m old. What am I?
On my way to St. Ives I saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kittens, cats, sacks, wives. How many were going to St. Ives?
You have two buckets of 11 liters and 6 litres. How can you measure exactly 8 litres?
I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?
If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?
What does the following BrainBat signifies? ABCDEFGHIJKLMNOPQRSTUVWYZ QQQQQQQQQQQQQQQQQQQQQQQQQ.
The word ladder puzzle was invented by Lewis Carroll, author of Alice’s Adventures in Wonderland.
