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

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

A bomb exploded in a room full of married couples and no one died. How?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?