If it took eight men ten hours to build a wall, how long would it take four men to build it?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

What is the largest number you can write with just 3 digits?

What occurs twice in a week, once in a year but never in a day?

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.

What can you deduce from the following BrainBat?

CRY
LMKI

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

At the local model boat club, four friends were talking about their boats.

There were a total of eight boats, two in each colour, red, green, blue and yellow. Each friend owned two boats. No friend had two boats of the same colour.

Alan didn't have a yellow boat. Brian didn't have a red boat but did have a green one. One of the friends had a yellow boat and a blue boat and another friend had a green boat and a blue boat. Charles had a yellow boat. Darren had a blue boat, but didn't have a green one.

Can you work out which friend had which coloured boats?

Imagine you are in a room with no windows or doors. How will you get out?