A balanced diet should contain $12\%$ of proteins, $25\%$ of fats and $63\%$ of carbohydrates If a child needs $2600$ calories in his food daily, find in calories the amount of carbohydrates in his daily food intake.

Q. Following Pie chart shows the consumption of the balanced diet, provided in the mid-day meal of a Primary school. If a child needs 2500 calories in his food daily, find the amount of each (in calories) in his daily food intake

Q. A dietitian allocated seema $1600$ calories per day, $\frac{1}{2}$ of these calories come from carbohydrates and $\frac{1}{4}$ of these calories come from fats. When seema becomes active the dietitian increase the dogs daily caloric intake by $25$%. $1,000$ calories come from carbohydrates. What percentage of the remaining calories come from other, non-carbohydrate sources?

Q. Wheat ...... carbohydrates, vitamins, proteins, and dietary fibre in our daily diet.

Q. To maintain his health a person must fulfil certain minimum daily requirements for several kinds of nutrients. Assuming that there are only three kinds of nutrients-calcium, protein and calories and the person's diet consists of only two food items, I and II, whose price and nutrient contents are shown in the table below:

	Food I (per lb)		Food II (per lb)			Minimum daily requirement for the nutrient
Calcium	10		5			20
Protein	5		4			20
Calories	2		6			13
Price (Rs)	60		100

What combination of two food items will satisfy the daily requirement and entail the least cost? Formulate this as a LPP.

Q. A balanced diet contains the following : carbohydrates, fats, proteins, minerals, vitamins fibres and water.