30 seconds challenge

About 30 seconds challenge

Try your math and reasoning skills in 30 seconds challenge app. The app has four basic mathematical operations challenge viz addition, subtraction , multiplication, division and one left/right position challenge.
The time limit is 30 seconds.
Questions will come on random basis.
Score as much as you can.
The accuracy has to be at least 60% or more, then only a high score is achieved.
Best of Luck !