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

When can we add 2 to 11 and get 1 as the correct answer?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

what one word does the below rebus identifies?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

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

Can you find out which number multiplied by itself will give the output as 12345678987654321?

What is more useful when it is broken?

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?