Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

What work can one never finish?

Can you place six X (crosses) in below board without making three in a row in any way ?

I am an odd number. Take away a letter and I become even. What number am I?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Can you find the hidden animal in the picture below?

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

For this puzzle, you might have to find logic in something illogical. But hey, it's fun and a healthy little break from your strenuous puzzle-solving sessions.

Can you decipher the meaning in the following cluster of letters?

ITIT,NCENTCENT

If 21x = 79x, what is the value of x?

Which letter of the alphabet has the most water?