What is the next number in this matchsticks series riddle?

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?

There are two dice with empty faces in front of you and a marker. You can mark any number on each of the faces of the two dice, but you have to display all 31 days of the month using the two of them.

Which numbers will you mark on which dice so that you can easily depict all the dates of the month?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

There were five men at church, and it started raining while they were outside. The four that ran still got wet, but the one that was still stayed completely dry. Why did he stay dry?

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?

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

By what process could you make a 'Tea-Table' into food?

Can you solve the photo plexer logic ?