Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

A Monkey, a squirrel, and an Eagle are racing to the top of the mango tree. Assuming all these animals are in perfect shape, Which animal will reach to Banana first?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Which is the rope you never skip with?

What always comes into a house through the keyhole?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Find the number of squares in the below picture

Which number should replace the question mark?