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

What Deficiency does the below rebus represent?

VIT_MIN

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

What seven-letter word has hundreds of letters in it?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

The cream is heavier than Milk. True or False?

Can you identify if it's a murder or a suicide ?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

A man dies of old age on his 25 birthday. How is this possible?