If I write one digit per second, how long will it take me to write out all the numbers from 1 to 1989?


HOW LONG PLEASE :

A) 33 min 9 sec
B)1 h 22 min 39 sec
3)1 h 54 min
D) 1 h 54 min 9 sec
E) 2 h 12 min 9 sec


I HAVE AN EXAM ON SAT, AVERAGE IS 1 MIN 30 SEC FOR EACH QUESTION SO I NEED TO KNOW HOW TO DO THIS QUICKLY PLEEEASE.