Solution:

The two bars are equal in length.

Explanation:
It's an optical illusion that makes you believe that bar A is longer because of the railway tracks.

Solution:

Seven

Explanation:
5(dead) + 1(Alive) + 1(you)

Solution:

Me

Solution:

Scooter B

Solution:

15

Explanation:
3drink = 30 ....... EquationA
1drink + 2 burger = 20 ....... EquationB
burger + 4 fries = 9 ....... EquationC
burger + fries * drink = ?

From EquationA
drink = 10

From EquationB
burger = (20-10)/2 = 5

From EquationC
fries = (9-5)/4 = 1

Hence
burger + fries * drink = 5 + 1 * 10 = 5 + 10 = 15

Solution:

Chilli no. 4.

Watch the video for an explanation.

Solution:

$2000

Explanation:
Profit from 1st transaction = $1000 (23000-22000)
Profit from 2nd transaction = $1000 (24000-24000)

So the overall profit will be = $2000.

Solution:

It can be done as shown in the picture below. You can also watch video For more explanation.

Solution:

D & C.

For details, Please check the video.

Solution:

Women-2 as the husband-wife has the matching ring.