How many triangles are there on the puzzle below?

What is the longest word in the dictionary?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

Suppose you are sitting in an interview and the interviewee asks you an aptitude question.

You have three buckets with a capacity of 4 litres, 8 litres and 10 litres and you have a large tank of water. Now you have to measure 3 litres of water precisely using those buckets. How will you do it?

Detective Rockford was jogging near the beach at 4:30 am.
He hears a sound near the shack "No Michael, Please Do not shoot me".
Next instance he heard the sound of gunfire. Rockford rushes to the shack where he finds women lying dead and a gun in close proximity of three "Doctore Lawyer and a Teacher".

Rockford immediately knew that the Lawyer has committed the crime. How?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

Can you find out the missing number in the grid?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

Can you find out who is the kidnapper in below Picture and why, Explain ?