What is next number in the pattern below:

131 517 192 123 ?

You can win me and lose me but never buy me
You can not eat me and never want to part with me
I can make you cry or bring you joy
I am not a machine and definitely not a toy
You keep me but i am not forever just yours
You might find me in a case or on a shelf next to a vase
I am hard and i am tall if you bump me i am sure to fall
I am made of different materials and am at many events
If your lucky and fight hard I might be yours
What am I ?

An ape is trying to climb on a pole that is 60 feet high. Due to the slippery surface, the ape climbs 3 feet in a minute only to slip back 2 feet.

How much time do you think the monkey will take to reach the top of the pole?

Which tank will fill first?

What is the end of everything?

What is the coolest letter in the alphabet?

I’m tall when I’m young, and I’m short when I’m old. What am I?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?