Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

In a science lab, a petri dish hosts a healthy colony of yeast for an experiment. Now every minute, all the yeast cells divide into two. At noon, there was just a single cell of yeast and at 1:22, the Petri dish was half full. Can you calculate when the dish will be full of yeast?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Who are the happiest people in IPL match?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

In Greek mythology, the Sphinx sat outside of Thebes and asked this riddle of all travellers who passed by. If the traveller failed to solve the riddle, then the Sphinx killed him/her. And if the traveller answered the riddle correctly, then the Sphinx would destroy herself. The riddle:

What goes on four legs in the morning, on two legs at noon, and on three legs in the evening?

Oedipus solved the riddle, and the Sphinx destroyed herself.

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

What does this simple rebus mean?

Different lights make me strange by changing me into different sizes. What am I?

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?