Which tank will fill first?

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.

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

Find the missing number in the image below.

On a bus, there is a 26-year-old pregnant lady.
A 30-year-old policeman.
A 52-year-old random woman.
And the 65-year-old driver.

Who is the youngest?

Can you Find and name the hidden bird in the picture below ?

What number should come in place of the question mark below?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.