Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

A wealthy man lives alone in a small cottage. Being partially handicapped he had everything delivered to his cottage. The mailman was delivering a letter one Thursday when he noticed that the front door was ajar. Through the opening he could see the man's body lying in a pool of dried blood. When a police officer arrived he surveyed the scene. On the porch were two bottles of warm milk, Monday's newspaper, a catalog, flyers, and unopened mail. The police officer suspects it was foul play. Who does he suspect and why?

If a wheel has 54 spokes, how many spaces are there between the spokes?

Can it be possible to build a house that has all its four walls facing towards the South?

What does a man do only once in his lifetime, but women do once a year after they are 29?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

I’m tall when I’m young, and I’m short when I’m old. What am I?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

What will you call your mother's brother's brother-in-law?

What does this below rebus puzzle mean?