Can you find the thief by just looking at the picture below?

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

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

I organized a small get together at my home.
In the party , i have a barrel with some whiskey in it.

Suddenly Guest 1 say 'I bet this barrel of whiskey is more than half full'.
'No, it's less than half full' Guest 2 replied.

I don't have any measuring instrument and without removing whiskey from it , how can i determine which of the guest is right ?

One day Jenifer meets the Lion and the Tiger in the Forest of Forgetfulness. She knows that the Lion lies on Mondays, Tuesdays, and Wednesdays, and tells the truth on the other days of the week. The Tiger, on the other hand, lies on Thursdays, Fridays, and Saturdays, but tells the truth on the other days of the week. Now they make the following statements to Jenifer:

Lion: Yesterday was one of my lying days.

Tiger: Yesterday was one of my lying days too.

What day is it?

What does this simple rebus mean?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

In the formation, you can see a few arranged matchsticks. Can you form three squares by moving just three matchsticks?

How many times do a clock's hands overlap in a day ?

You can move only two matchsticks in the given picture. What is the highest number you can form by doing it?