What is full of holes but still holds water?

The following "Brain Bat" means Slow Down.
S
L
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W

Using the same logic, can you tell us what does the following Brain Bat means ?
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G

In a science lab, a petri dish hosts a healthy colony of yeast for an experiment. Now every minute, all the yeast cells divide into two. At noon, there was just a single cell of yeast and at 1:22, the Petri dish was half full. Can you calculate when the dish will be full of yeast?

What does the below rebus riddle means?

The captain of a ship was telling this interesting story: "We travelled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly." How can that be possible?

John needs to purchase 100 chocolates from three different shops and he has exactly 100 rupees to do that which he must spend entirely. He must buy at least 1 Chocolate from each shop.

The first shop is selling each chocolate at 5 paise, the second is selling at 1 rupee and the third is selling at 5 rupees.

How many chocolates should he buy from each shop?

Can you find out who is the kidnapper in below Picture and why, Explain ?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Identify The phrase in the picture.