Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

Make a sentence consisting of three words that have the whole alphabet.

Jenifer is learning to drive her car. She went down a one way lane and in the wrong direction. But she do not break any law.

How come ?

There are six people in a family namely M, N, O, P, Q and R.

R and O are brother and sister.

N is the brother of Q's husband.
P is the father of M and grandfather of R.

How many male members are in the family?

What is black when you buy it, red when you use it, and gray when you throw it away?

There are 4 big houses. They are made from the materials: red marble, green marble, white marble and blue marble.

* Mrs Jennifer's house is somewhere to the left of the green marble one and the third one alone is white marble.
* Mrs Sharon owns a red marbles house and Mr Cruz does not live at either end, but lives somewhere to the right of the blue marbles house.
* Mr Danny lives in the fourth house, while the first house is not made from red marble.

Who lives where, and what is their house made from?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?