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A dietician wishes to mix two types o...

A dietician wishes to mix two types of foods in such a way that the vitamin contents of the mixture contains at least 8 units of vitamin A and 10 units of vitamin C. Food I contains 2 units/kg of vitamin A and 1 units/kg of vitamin C while Food II contains 1 unit/kg of vitamin A and 2 units/kg of vitamin C. It costs Rs.5 per kg to purchase Food I and Rs.7 per kg to purchase Food II. Determine the minimum cost of such a mixture. Formulate the above as a LPP and solve it graphically.

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A dietician wishes to mix two types of food in such a way that the vitamin contents of the mixture contain at least 8 units of vitamin A and 10 units of vitamin C . Food I contains 2 units per kg of vitamin A and 1 unit per kg of vitamin C , while food II contains 1 unit per kg of vitamin A and 2 units per kg of vitamin C . It costs Rs 5 per kg to purchase food I and Rs 7 per kg to purchase food II . Identify the objective function so as to minimize the cost of mixture.

(Diet problem): A dietician wishes to mix two types of foods in such a way that vitamin contents of the mixture contain atleast 8 units of vitamin A and 10 units of vitamin C. Food "I" contains 2 units/kg of vitamin A and 1 unit/kg of vitamin C. Food "II" contains 1 unit/kg of vitamin A and 2 unite/kg of vitamin C. It costs Rs 50 per kg to purchase Food T and Rs 70 per kg to purchase Food "IF. Formulate this problem as a linear programming problem to minimise the cost of such a mixture.

A dietician wishes to mix two types of food in such a way that the vitamin contents of the mixture contain at least 8 units f Vitamin A and 10 units of vitamin C, Food ‘I’ contains 2 units per kg of vitamin A and 1 unit per kg of vitamin C while food ‘II’ contains 1 unit per kg of vitamin A and 2 units per kg of vitamin C. It costs Rs 50.00 per kg to purchase food ‘I’ and Rs. 70.00 per kg to produce food ‘II’. Formulate the above linear programming problem to minimize the minimize the cost of such a mixture.

Reshma wishes to mix two types of food P and Q in such a way that the vitamin contents of the mixture contain at leat 8 units of vitamin A and 11 units of vitamin B. Food P cost Rs. 60/kg and Food Q costs Rs. 80/kg. Food P contains 3 units/kg of vitamin A and 5 units/kg of Vitamin B while food Q contains 4 units/kg of vitamin A and 2 units/kg of vitamin B. Determine the minimum cost of the mixture.

XII BOARDS PREVIOUS YEAR-BOARD PAPER SOLUTIONS-All Questions
  1. Write the principal value of tan^(-1)(1)+cos^(-1)(-1/2)

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  2. Suppose a girl throws a dice. If she gets 5 or 6 she tosses a coin thr...

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  3. A dietician wishes to mix two types of foods in such a way that the...

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  4. Let vec(a)=hat(i)+4 hat(j)+2hat(k), vec(b)=3 hat(i)-2 hat(j)+7 hat(k) ...

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  5. Find the coordinates of the point where the line through the points...

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  6. Two cards are drawn simultaneously (without replacement) from a wel...

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  7. Using matrices, solve the following system of equations: 2x+3y+3z=5;...

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  8. Find the area of the region {(x , y)\ : x^2+y^2lt=4,\ x+y\ geq2}

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  9. If the lines (x-1)/(-3)=(y-2)/(-2k)=(z-3)/2 and (x-1)/k=(y-2)/1-(z-3)...

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  10. Sand is pouring from a pipe at the rate of12\ c m^3//s . The falling s...

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  11. Write the value of tan(2tan^-1(1/5)) .

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  12. Find (dy)/(dx)\ if (x^2+y^2)^2=x y

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  13. If y=3cos(logx)+4sin(logx),\ then show that x^2dot(d^2\ y)/(dx^2)+...

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  14. If x^m y^n=(x+y)^(m+n), prove that (dy)/(dx)=y/x .

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  15. Evaluate: int(3x-1)/((x+2)^2)\ dx

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  16. Evaluate: intx^2tan^(-1)x\ dx

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  17. If the binary operation * on the set of integers Z , is defined by ...

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  18. If int0^1(3x^2+2x+k)dx=0, find the value of kdot

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  19. Evaluate : int0^(pi/2)(xsinxcosx)/(sin^4x+cos^4x)\ dx

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  20. Evaluate: int0^(pi/2)2sinxcosxtan^(-1)(sin"x")"\ dx"

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