Hint: The sequence involves both adding and multiplying in some way.
The sequence is created using: +1 x1 +2 x2 +3 x3 +4 x4 +5.
Can you find three words...
...which contain two consecutive i's.
Hint: The words begin with the letters R, S, T.
Answer: RADII, SKIING, TAXIING.
You could also have GENII.
If you have a very tight nut on a bolt, what is the best way to free it:
Heat it, cool it, either, neither?
Hint: Do things get larger or smaller when you heat them?
Answer: Heat it.
The nut will increase in size more than the bolt, this makes the hole in the nut larger so freeing the joint.
What animal comes next in this sequence:
dog rooster monkey sheep horse snake
From the Chinese calendar in reverse order.