Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

The sum of a mother, her baby and her dog's weight is 170 Kg. How much does the baby weigh if the mother weighs 100 kg more than the combined weight of the baby and the dog, and the dog weighs 60 per cent less than the baby?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

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

The host of a game show offers the guest a choice of three doors. Behind one is an expensive car, but behind the other two are goats.
After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter?

Identify the movie name through below Rebus containing Pi Mouse and coconut tree..

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

What does it mean?

How far can you walk into the woods?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?