Math challenge- Brain on fire

Can you survie with the time ? is your brain can solve very fast without the 60 sec finished ??!
Its a great game were you can train your brain
* two level Easy, Medium
* two modes:
1- Survival: solve and made a high score if you make a correct answer you earn 5sec, for the wrong answer you lose the game
2- Time Attack: solve and made a high score if you make a correct answer you earn 5 sec, for the wrong answer -5sec.
* the four operations + - * /
* circle and triangle challenges
* rectangle challenges
* Time Converting with your brain to seconds to minutes to Hours
IMPORTANT
Take one number after the dot Example The answer is 0.1
be fast it's not easy like you think
GOOOOO!!!