Can you start the fire using two pieces of wood?

Count the number of balls in picture below:

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?

What is so fragile that saying its name breaks it?

You have 1023 apples and 10 bags. You have to distribute these apples in these 10 bags in any way you choose. But when I ask for a certain number of apples you have to give them in terms of bags without transferring the apples from other bags. How do you distribute the apples?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

If an electric train is travelling south, then which way is the smoke going?

There are three boxes of different sizes with three cupcakes inside each of the boxes in Christina's kitchen. At night her daughter wakes up and goes to the kitchen. She opens a box and eats all three cakes.

But in the morning Christina finds out that each box still had three cupcakes. How?

Prove that the below maths equation is true.

8 + 8 = 91