What is full of holes but still holds water?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

I have 50 feet long of cloth, I need to create 50 handkerchiefs each size of 1 foot. I take one minute to cut a 1-foot handkerchief. So how long will it take to cut 50 handkerchiefs?

I have two coins.
* One of the coins is a faulty coin having a tail on both sides of it.
* The other coin is a perfect coin (heads on side and tail on other).

I blindfold myself and pick a coin and put the coin on the table. The face of the coin towards the sky is the tail.

What is the probability that another side is also tail?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

How can you leave a room with two legs and return with six legs?

What does this rebus means ?

PROG WORKRESS

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?