What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

What breaks yet never falls, and what falls yet never breaks?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

What is the next number in this matchsticks series riddle?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

The more you take me, the more you leave me behind.
Who Am I?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Where do you go to learn how to make ice cream?

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?

John was gifted a new Hayabusa. He drove x miles at 55mph. Then he drove x+20 miles at 40mps. He drove his bike for 100 minutes. How much distance did he travel?