Which Travels Faster? Solve below famous picture riddle:

How many times can you subtract the number 5 from 25?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

You need to move three matchsticks to form three squares. Can you do it?

Who always enjoys poor health?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

I have teeth but i don't bite. Who Am I ?

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?