What number comes next in this sequence:
7 8 5 5 3 4 4 _

Next Number in the Series,

5, 16, 49, 104, ?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

Can you find the key in the picture below?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

In a competitive exam, each correct answer could win you 10 points and each wrong answer could lose you 5 points. You sat in the exam and answered all the 20 questions, which were given in the exam.
When you checked the result, you scored 125 marks on the test.

Can you calculate how many answers given by you were wrong?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

What is the largest number you can write with just 3 digits?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?