John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

Why do you find that most of the buildings are deprived of the 13th floor?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

What has a bottom at the top?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

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

When can we add 2 to 11 and get 1 as the correct answer?

If your uncle’s sister is not your aunt, what relation is she to you?

I’m tall when I’m young, and I’m short when I’m old. What am I?