Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

Considering the below equation:

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

Then, I + II + III = ?

I am eight letters long - "12345678"
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is too appropriate.
My 45 is a friendly thank-you.
My 678 is a man's name.

What word am I?

Decode below rebus
D
N
A
T
S , D

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

what does the below rebus mean?

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.

Can you divide the below-given shape into four equal and identical pieces?

You see me once in June, twice in November, and not at all in May. What am I?

What has many teeth, but cannot bite?