Question: The Recommended Daily Allowance of iron for both males and females in different age groups is shown in the bar graph. How much more iron is required by females than males in the age group 30-35 years?
A ) 4 mg B ) 5 mg C ) 2 mg D ) 3 mg
Steps to derive
1 The height of each bar in the graph indicates the iron requirement of people of a particular age group.
2 From the double line graph, the iron requirement for males of age group 30-35 years is 8 mg.
3 The iron requirement for females of age group 30-35 years is 10 mg.
4 Difference between the iron requirements of males and females = 10 - 8 = 2 mg
5 So, the amount of iron required by females is 2 mg. more than that of males in the age group of 30-35 years.
