Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

Take one out and scratch my head, I am now black but once was red. What am I?

Can you decipher the below rebus?

PBLUESAISNUERSES

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?

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

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.