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?

A pet show was happening in my locality. I went down along with my kids. In that show, I noticed that all except two of the entries were cats. All except two were dogs and all except two were Monkeys.

Can you find out how many of each animals were present in that pet show?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

Find the value of "?" in the ball picture Riddle below:

When is the top of a mountain similar to a savings account?

John is a strange liar.

He lies on six days of the week, but on the seventh day, he always tells the truth.

He made the following statements on three successive days:

Day 1: "I lie on Monday and Tuesday."
Day 2: "Today, it"s Thursday, Saturday, or Sunday."
Day 3: "I lie on Wednesday and Friday."

On which day does John tell the truth?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

Buy me, smell me or deliver me, I do not change.

Who am I?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?