Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

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?

All of the flowers I have are orchids except two. All of the flowers I have are hibiscuses except two. All of the flowers I have are roses except two.

Can you tell me how many flowers I have?

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

Akbar summoned Birbal out of anger.
He told him that he will have to face death.
He asked him to make a statement and if the statement is true he will be buried alive and if the statement is false, he will be thrown at lions.
After hearing Birbal’s statement, Akbar could do nothing but smile.
He gave him 5 gold bars and let him go.

What did Birbal say?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

What do you see in the image below