Solve the equation in the image by looking at the pattern closely.

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

Who has married many women but was never married?

I am an odd number. Take away a letter and I become even. What number am I?

What is the riddle which can be asked all day with a different correct answer each time.

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

What has to be broken before you can use it?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?