a person goes to office bettween 2 and 3 pm and returns between 6 and 7 pm......he notices that hands of the clock has changed their positions .....at what time did he went to work?????
PLS EXPLAIN!!!!!!!
a person goes to office bettween 2 and 3 pm and returns between 6 and 7 pm......he notices that hands of the clock has changed their positions .....at what time did he went to work?????
PLS EXPLAIN!!!!!!!