What can you see in the middle of March and April that you can never see in any other month?

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?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Three friends decide to distribute the soda cans they had among them. When all of them had drunk four cans each, the total number of cans that remained was equal to the cans each one of them had after they had divided the cans.

Can you calculate the total number of cans before distribution?

A father's child, a mother's child, yet no one's son.

Who am I?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

How many times can you subtract the number two from the number fifty?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

What number when divided in half becomes zero?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?