I am sure no one can have two things for dinner. what are they?

A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside. The man said, "Oh! I am really sorry, I thought this was my room." He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man. What made her suspicious of that man? He might have been genuinely mistaken.

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

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

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

You can hear me, but you can't touch or see me.

What am I?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

At my favorite fruit stand,
an orange costs 18,
a pineapple costs 27,
and a grape costs 15.
Using the same logic, can you tell how much a mango costs?

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?