Count the number of squares in the picture below.

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

What is the word or phrase?

I am an eight letter word and I am a computer terminology.
The second, third and fourth letters make an animal.
The fourth, fifth, sixth, seventh and eighth letters make a weapon.
The first, second, third and fourth letters can be taken as an outcome of any exam.
The fifth, sixth, seventh and eighth letter combine to form a high end typing software.

Can you tell who am I ?

Which of the eight images will fill the missing image in the puzzle below?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

Find the next number in the series below

21 32 54 87 131 ?

Can you place six matchsticks in a manner that each of the matchsticks is in touch with the other five matchsticks?