They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?"

While Bella does not know the answer, do you ?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

When it's bad luck to meet a black cat?

My location can be determined by the below rebus.
So where am i ?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

What jumps when it walks and sits when it stands?