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 has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

There is a jar in which there are two types of candies.
20 blueberries and 16 strawberries. You perform the following steps:
1) You take out two candies.
2) If the two candies are of the same flavour, you add a blueberry one otherwise, you add the strawberry one.

You repeat these two steps till there is just one candy remaining in the jar. Which flavoured candy will be left?

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

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

Which tank will fill first?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

What seven-letter word has hundreds of letters in it?