Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

Can you name some countries which do not have the alphabet 'A' in them?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

What does the below rebus riddle means?

How is the moon similar to a dollar?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

In the figure that has been attached to this question, each digit represents a digit. The similar letters carry the same integer value. Can you expose the original digits?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing.
Which other pages won't be there?