Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

What do you think with the below Picture ?

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

What's a single-digit number with no value?

How many Watermelons are there in the below picture?

The answer I give is yes, but what I mean is no. What was the question?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?