1. (i) Factors Affecting Meal Planning:
1. Income Level: Aftab’s income as a fisherman may be variable, depending on the fishing seasons. The family will need to plan meals that fit within a limited budget, using affordable ingredients.
2. Availability of Local Ingredients: Living in a coastal area, seafood like fish isvreadily available. This will influence the family’s diet, and they will likely consume fish and other coastal food items frequently.
2. (ii) Points to Consider While Selecting Food for Children’s Tiffin:
1. Nutritional Balance: Ensure the food includes a variety of nutrients such as proteins, vitamins, and carbohydrates. Foods like whole grains, fruits, and dairy can be good choices.
2. Ease of Consumption: The food should be easy to eat and not too messy, as children need something convenient and quick to eat during school breaks.
3. (iii) Low-Cost Nutritious Food: Lentils (Dal) can be included in their diet as it is affordable, provides proteins, and is nutritious. It can be cooked in various ways, making it easy to incorporate into the family’s meals.
On the day of her examination, Riya sharpened her pencil from both ends as shown below. 
The diameter of the cylindrical and conical part of the pencil is 4.2 mm. If the height of each conical part is 2.8 mm and the length of the entire pencil is 105.6 mm, find the total surface area of the pencil.