When monkey rotate the gear, which mark will be hit 1 or 2 ?

Solve this riddle by finding the odd one out from the rest.

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

A man lives on the fifteenth floor of an apartment building. Every morning he takes the elevator down to the lobby and leaves the building. In the evening, he gets into the elevator, and, if there is someone else in the elevator, or if it was raining that day, he goes back to his floor directly. Otherwise, he goes to the tenth floor and walks up five flights of stairs to his apartment. Can you explain why he does this?

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?

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

Can you start the fire using two pieces of wood?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

If,

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

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

D + F = ?

Who always enjoys poor health?