What number comes next in the series?

5 15 5 18 5 24 14 20 _

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

While sitting in the Car, John suddenly finds that one of the wheels was missing. John noticed that a killer is approaching towards him. John cannot get out of the car.

How will John escape?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

0 0 0 = 6
1 1 1 = 6
2 2 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

You can use any mathematical symbols in the space provided to make all above algebraic expressions true.

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?