What word does this rebus represent?

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Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?

John was drowned by he was not wet. How?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

What is the coolest letter in the alphabet?

Can you solve below mathematical equation?

2^1234 - 2^1233

A sundial has the fewest moving parts of any timepiece. Which has the most?

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.