If it took eight men ten hours to build a wall, how long would it take four men to build it?

ENEMY = 2 * LINK
LINK + 2 = HELL

Then what will be TAXI + HELL? Select from the options below:
a) ROTTEN
b) DANGER
c) HEAVEN
4) MORTAL

Identify the hidden meaning behind this picture?

Identify The phrase in the picture.

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?

How many triangles are there in the picture below?

There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

There is a movie name hidden in the picture that is attached with this question. Can you find out which movie is it?

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?