If it took eight men ten hours to build a wall, how long would it take four men to build it?

Below rebus represent famous DiCaprio movie. Can you name it?

In the image below, can you find the value of an angle(y)

I am lying and I always lie. Tell me whether I am lying or telling the truth.

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

Can you count the number of squares in the given picture?

If you say my name, I will no longer exist. What am I?

What English word has three consecutive double letters?

A gardener planted the Lemon trees in a mathematical ordered way (i.e. he planted a tree in rows).
He created a total of 19 rows of trees.

Note: There should be more than 2 trees to count as a row.

What is the minimum number of trees required by the gardener to have 19 rows of trees?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?