I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

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.

Find the hidden tiger in the given optical illusion ?

What common phrase is represented by the below lines

Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Why do you find that most of the buildings are deprived of the 13th floor?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

What occurs twice in a week, once in a year but never in a day?

Can you find the six hidden animals in the picture below?