John is selling fruits.
He sells grapes at $30, Dates $25, and a Wolfberry $45.
At what price does he sell fig?

PS: Logical Thinking

What does an Island and the letter T have in common?

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

What goes up but never comes down?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

What has a ring but no finger?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

Find the last number in the series below:

voN luJ yaM raM ---

Can you place three balls such that the equation shown in the picture holds true?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?