How many times can you subtract the number two from the number fifty?

Count the number of triangles in the below picture?

Can you find the missing piece of the Porsche?

What Adam and Eve do not have but the rest of the people have?

A California farmer owns a beautiful pear tree. He supplies the fruit to a nearby grocery store. The store owner calls the farmer to see how much fruit is available for him to buy. The farmer knows the main trunk has 24 branches. Each branch has exactly 12 boughs and each bough has exactly 6 twigs. Since each twig bears one piece of fruit, how many plums will the farmer be able to deliver?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

I am an odd number. Take away a letter and I become even. What number am I?

How many times do a clock's hands overlap in a day ?

What is the riddle which can be asked all day with a different correct answer each time.