If a wheel has 54 spokes, how many spaces are there between the spokes?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

Why is 6 afraid of 7?

Two friends were betting. One said to the other, "The coin will be flipped twenty times and each time the coin lands on the head, I will give you $2 and each time it lands on the tale, you will give me $3." After flipping the coin twenty times not a single penny was exchanged among them.

How many times did the coin land on heads?

15 caves are arranged in a circle at the temple of doom. One of these caves has the treasure of gems and wealth. Each day the treasure keepers can move the treasure to an adjacent cave or can keep it in the same cave. Every day two treasure seekers visit the place and have enough time to enter any two caves of their choice.

How do the treasure seekers ensure that they find the treasure in the minimum number of possible days?

Can you make a fire with just a single stick?

Identify the movie name through below Rebus containing Pi Mouse and coconut tree..

Using eight eights and addition only, can you make 1000?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?