The following bar graph shows the number of deaths from road accidents occurred during the rainy season in the year 1992. Study the graph carefully and answer the question.

Between which two consecutive weeks was the fall in the number of deaths the greatest

7 July to 14 July

Lets solve one by one for each option .

1. 7 July to 14 July

Number of deaths in 7 july week = 180

Number of deaths in 14 july week = 145

Fall in number of deaths = 180 - 145 = 35

2. 28 July to 4 August

Number of deaths in 28 july week = 160

Number of deaths in 4 August week = 150

Fall in number of deaths = 160 - 150 = 10

3. 30 June to 7 July

Number of deaths in 30 June week = 180

Number of deaths in 7 July week = 142

Fall in number of deaths = 180 - 145 = 38

4. 21 July to 28 July

There is increase in number of deaths.

So , Highest fall in number of deaths appear in 30 June to 7 July weeks.