Which tank will fill first?
It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?
Why do we preferably have round manhole covers and not square ones?
Can you solve this amazing hard number series problem? 7, 8, 10, 12, 16, 18 ?
What part of the chicken has the most feathers?
How many times can you subtract the number 5 from 25?
1 dollar = 100 cent = 10 cent x 10 cent = 1/10 dollar x 1/10 dollar = 1/100 dollar = 1 cent => 1 dollar = 1 cent solve this tricky problem?
When it's bad luck to meet a black cat?
Which is the correct shadow of the bird?
If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?
You can hear me, but you can't touch or see me. What am I?
Jigsaw puzzles soared in popularity during the great depression, as they provided a cheap, long-lasting, recyclable form of entertainment.