If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?

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

what does the below math rebus puzzle mean?

Using the clues below, what four numbers am I thinking of?

The sum of all the numbers is 31.
One number is odd.
The highest number minus the lowest number is 7.
If you subtract the middle two numbers, it equals two.
There are no duplicate numbers.

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?