What is the next number in this series?

4,12,84,3612....

What begins with T, ends with T, and has T in it?

In the image below, can you find the value of an angle(y)

What is more useful when it is broken?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

One day, all the courtiers from Akbar's court were gathered in the assembly hall when one of them told the Emperor that all his valuables had been stolen by a thief the previous night.
This shocked the Emperor to his core as the place where that courter stayed was the most secured in the kingdom. The Emperor thought that it is not at all possible for an outsider to enter into the courtier's house and steal the valuables. Only another courtier could commit this crime. He quickly called Birbal to identify the thief.
Birbal thought for a while and successfully solved the mystery by identifying the thief in just one statement.
What did Birbal say?

You can hear me, but you can't touch or see me.

What am I?

Can you solve the photo plexer logic ?

If 1+9+8=1, what is 2+8+9?