question_answer

       A farmer planted 1890 tomato plants in a field in rows each having 63 plants. A certain type of worm destroyed 18 plants in each row. How many plants did the worm destroy in the whole field?

Answer:

Total number of plants planted = 1890 Number of plants in each row = 63 \[\therefore \] number of rows \[\text{=}\frac{\text{Total}\,\,\text{number}\,\,\text{of}\,\,\text{plants}}{\text{Number}\,\,\text{of}\,\,\text{plants}\,\,\text{in}\,\,\text{each}\,\,\text{row}}\]                                                                                                            \[\text{=}\frac{1890}{63}=30\] Number of plants destroyed in each row = 18 Total number of plants destroyed = Number of rows \[\times \] Number of plants destroyed in the whole field \[=30\times 18=540\]