The centre of the third figure is empty. What digit should fit inside?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

I have a sore throat and a severe headache. I have four tablets with me that are identical to each other and they do not have any cover on them. There is no way I can identify which tablet serves what purpose. The only thing that I know is that two of these four tablets are for the throat and the remaining two are for the headache. To treat my condition, I must take 1 of each. What will I do now?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

Three logicians went to bar for having a drink. The bar person asks the logicians "Do they all want to have the drink?". The first logician replied, " I don't know". The second logician replied, " I don't know". What is the reply of the last logician?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

Write the next letter in this sequence.
O, T, T, F, F, S, S, E, __
**Hint: It is a Number Series Puzzle

I am written with two letters.
I said with the one.
I usually am seen with the two.

Who am I?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

What does below chemistry rebus means?