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

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs.

In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects.

Can you find out how many animals are there in the zoo?

As you can see in the picture, you have a hole with dimensions 9 ft x 2 ft Also available is a wooden board with dimensions 6 ft x 3 ft Now you have to cover the hole with this board and you are allowed to cut the board into two pieces. Please see that the hole is completely covered and the boards should not overlap or extend beyond the edge. How will you cut the board?

Which is heavier: a ton of bricks or a ton of feathers?

What has one eye, but can’t see?

I add 5 to 9 and get 2. The answer is correct, so what am I?

I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?

I can be cracked, made, told, and played. What am I?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?