John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Solve the equation in the image by looking at the pattern closely.

My location can be determined by the below rebus.
So where am i ?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

Who always enjoys poor health?

Dwayne Johnson was running away with the loot from a heist in his car along with Vin Diesel. One tire was punctured and he dropped down to replace it. While changing the wheel, he dropped the four nuts that were holding the wheel and they fell into a drain. Vin Diesel gave him an idea using which they were able to drive till the rendezvous point.

What was the idea ?