Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

Find the hidden tiger in the given optical illusion ?

I purchased an awesome ice cream cone having 5 different flavour scoops.
Five flavours are pistachio, mint-chip, strawberry, marshmallow, and raspberry

I will give u some clues so that you can figure out the order of flavours from bottom to top.
1. The bottom flavour of the cone has 10 letters.
2. The marshmallow scoop is between the pistachio and the mint-chip scoop.
3. marshmallow is the raspberry scoop but below the mint-chip scoop.

So can you figure out the flavour of ice cream in order from bottom to top?

Through your logical capabilities, can you make 7 an even?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

What always comes into a house through the keyhole?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

What jumps when it walks and sits when it stands?