A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

There were two grandmothers and their two granddaughters.
There were two husbands and their two wives.
There were two fathers and their two daughters.
There were two mothers and their two sons.
There were two maidens and their two mothers.
There were two sisters and their two brothers.
Yet there are only six, who are buried here,
All are born legitimate and relationships clear.
How can this happen?

Find out the missing number in the picture attached:

Rectify the following equality 101 - 102 = 1 by moving just one digit.

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

What has many keys but can’t open a single lock?

I taste better than I can smell. Who am I?