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?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

How many times do a clock's hands overlap in a day ?

Find the next number in the following series:
6, 14, 26, 98, __?

Which city is three-fifths chick two third cat and 50% goat?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

Look at the picture and find out which square is not linked with any of the other squares.

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Can you count the number of squares in the figure below?