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?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

Can you find the key in the picture below?

I have eight fingers and two thumbs but I do not live. What Am I?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

A non-stop marathon is the shared favourite sport of three brothers.

*The oldest one is fat and short and trudges slowly on.
*The middle brother's tall and slim and keeps a steady pace.
*The youngest runs just like the wind, speeding through the race.

"He is young in years, we let him run!" the other two brothers explained, "'because though he is surely number one, he is second, in a way." Why is it?

Different lights make me strange by changing me into different sizes. What am I?

What does this rebus means ?

PROG WORKRESS

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

There is a place where if I stand up straight, I will still be considered sideways.