What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Can you find out the remainder when 3^300 is divided by 5?

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

On a certain day, John celebrated his birthday. Two days later, his older twin brother Jacob celebrated his birthday.

Is this even possible? How can it be?

John was visiting his friend Jacob. He found out that his friend's wife had just killed a burglar in self-defense.
John asks Jacob about what happened and he told that "His wife was watching television when suddenly the bell rang. She thought that it is her husband Jacob but she found the burglar who attacked her instantly and she got so frightened that she killed the burglar immediately with the knife.
John asked the police to arrest his friend's wife. Why?

What number should come in place of the question mark below?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

What occurs twice in a week, once in a year but never in a day?

Where do you go to learn how to make ice cream?