A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

With the help clues provided in the image, can you find the 5 digit key?

I’m tall when I’m young, and I’m short when I’m old. What am I?

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?

A non-stop marathon is the shared favourite sport of three brothers.

*The oldest one is fat and short and trudges slowly on.
*The middle brother's tall and slim and keeps a steady pace.
*The youngest runs just like the wind, speeding through the race.

"He is young in years, we let him run!" the other two brothers explained, "'because though he is surely number one, he is second, in a way." Why is it?

What is Luis Suarez's (Soccer Player) favorite tea?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?