Question

16cows can graze a feild in 45 days . how many cows will graze the same field in 49days?

Answer 1

15 cows will grace the field in 49 days completely

Answer 2

45 days .......16 cows
1   days........ 16*45
49 days.........16*45/49
                    =720/49  =14.69 
                                   =15 days[approx]