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

Find the value of "?" in the ball picture Riddle below:

Can you make the number 24 by utilizing the numbers 1, 3, 4 and 6? You must use one number only one time and you can use mathematical operation symbols anytime anywhere.

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs.

In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects.

Can you find out how many animals are there in the zoo?

The dirtier I get, the whiter I look. Who am I?

You can see it everyday, But cannot touch it at will. What is it?

Which city is three-fifths chick two third cat and 50% goat?

You have two hour glasses one measures 7 minutes and the other measures 4 minutes.
Using these two-hour glasses, you need to measure exactly 9 minutes.

How come?

In a supermarket, there is an intelligent glass pane before a refrigerating unit. This glass pane allows cherries and apples through it but does not allow grapes and Orange to pass through it.

Can you identify the rule that the glass pane is following?