Can you find out the total number of triangles in the given figure?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

Name a key which is hardest to turn.

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.

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?

Move four matchsticks to the below square to form three squares?