What number comes next in the series?

5 15 5 18 5 24 14 20 _

You are confined in a room and given two metal rods. Out of these two rods, one is magnet and the other is the iron rod. They look starkly similar. You don't have any other metal object in the room.

How will you decide which one of those is magnet?

If,

Akriti = 631
Levis = 521
Sroti = 521
Aneel = 533
Then,
Sunil =?

They are three errirs in this question. Can you find them?

10+10 and 11+11 can give you the same answer.

Explain how?

Who is that with a neck and no head, two arms and no hands? What is it?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

Suppose you are sitting in an interview and the interviewee asks you an aptitude question.

You have three buckets with a capacity of 4 litres, 8 litres and 10 litres and you have a large tank of water. Now you have to measure 3 litres of water precisely using those buckets. How will you do it?

Imagine you are in a room with no windows or doors. How will you get out?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?