Find the next number in the sequence

5 12 24 36 ?

Can you find the 09 errors in the picture below?

There is a straight highway. Four different villages lie on that highway. The distance between them is different. The third village is 60km away from the first village; the fourth is 40 km away from the second; the third is 10 km near to the fourth that it is to the second.

Can you calculate the distance between the fourth and the first village ?

When can we add 2 to 11 and get 1 as the correct answer?

Can you name some countries which do not have the alphabet 'A' in them?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?