In order to supplement daily diet, a person wishes to take some X and Y tablets. The contenst of iron, calcium and vitamins in X and Y are given as below:

The person needs atleast 18 miligrams of iron, 21 miligrams of calcium and 16 miligram of vitamins. the price of each tablet of X and Y is Rs.2 and Rs. 1 respectively. how many tablets of each should be person take in order to satisfy the above requirement at the minimum cost?

Give an important ore of each of Iron and Calcium.

What are the benefits of taking vitamin C in the diet?

(Diet problem)A dietician has to develop a special diet using two foods P and Q. Each packet (containing 30 g) of food P contains 12 units of calcium, 4 units of iron, 6 units of cholesterol and 6 units of vitamin A. Each packet of the same quantity of food Q contains 3 units of calcium, 20 units of iron, 4 units of cholesterol and 3 units of vitamin A. The diet requires atleast 240 units of calcium, atleast 460 units of iron and at most 300 units of cholesterol. How many packets of each food should be used to minimise the amount of vitamin A in the diet? What is the minimum amount of vitamin A?

The mass number of two atoms X and Y is the same (40 each) but their atomic numbers are different (being 20 and 18 respectively). X and Y are examples of :

A manufacture produces two Models of bikes. Model X and Model Y. Model X takes a 6 man hours to make per unit, while Model Y takes 10 man hours per unit. There is a total of 450 man hour available per week handing and marketing costs are Rs.2000 and Rs.1000 per unit of MOdels X and Y respectively. the total funds avilable for these purposes are Rs.80000 per week. Profits per units for Models X and Y are Rs.1000 and Rs.500 respectively. how many bikes of each model should be the manufacture producer so as to yield a maximum profit? find the profit.

A dietician wishes to mix together two kinds of food X and Y in such a way that the mixture contains exist 10 units of vitamin A, 12 units of vitamin B and 8 units of vitamin C. The vitamin contents of one kg food is given below: One kg of food X costs Rs.16 and one kg of food Y costs Rs.20. Find the least cost of mixture which will produce the required diet?

A dietician wishes to mix together two kinds of food X and Y in such a way that the mixture contains at least 10 units of vitamin A, 12 units of vitamin B and 8 units of vitamin C. The vitamin contents of one kg food is given below: One kg of food X costs Rs 16 and one kg of food Y costs Rs 20. Find the least cost of the mixture which will produce the required diet?

A dietician wishes to mix together two kinds of food X and Y in such a way that the mixture contains at least 10 units of vitamin A, 12 units of vitamin B and 8 units of vitamin C. The vitamin contents of one kg food is given below: One kg of food X costs Rs 16 and one kg of food Y costs Rs 20. Find the least cost of the mixture which will produce the required diet?