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

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

Next Number in the Series,

5, 16, 49, 104, ?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see 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?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

How many letters are in the alphabet?

How can you make a TV, a bed, a dog, and a car liquid?

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

What is the next number in this series?

4,12,84,3612....