How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

I look at you, you look at me I raise my right, you raise your left. What am I?

Spot the cat in the picture below

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

I add 5 to 9 and get 2. The answer is correct, so what am I?

Find the Odd One Out?
84129
32418
47632
36119
67626
72927

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10