2, 3, 5, 9, 17, _ What is the next number in the sequence?

Can you solve this picture maths equation?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

I have Rs.50 and I spend it in the way as below.

Replace the question mark with the correct number.