Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?

Can you solve the maths in the below-given picture equation?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

Eight of us go fourth, not back, to protect our king from an attack. What are we?

I always drive my customer away.

Who am I?

I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?

I have an apple tree , number of apple in this tree get doubles every week.

On 30th week , the tree gets completely filled with apples :-)



Can you tell me , on what week does my tree is half covered with apples ?