What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

Rearrange the letters in "new door" to make one word.

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

Remove two matchsticks to make the below equation correct.

Can you guess the name of the month by looking the below rebus ?

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?