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

Prove that the below maths equation is true.

8 + 8 = 91

The husband and wife were jogging in the morning. To match every two steps of the husband, the wife required three steps. If Both of them start with the here right foot. After how many steps do their left foot be together?

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

There is a place where if I stand up straight, I will still be considered sideways.

Can you name four days which start with the letter 'T'?

Replace the question mark with the correct number.

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

How can you drop a raw egg from a height onto a concrete floor without cracking it?

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?