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One kind of cake requires 300g of flour and 15g of fat, another kind of cake requires 150g of flour and 30g of fat. Find the maximum number of cakes which can be made from 7.5 kg of flour and 600f of fat, assuming that there is no shortage of the other ingredients used in making the cakes. Make it as an L.PP. and solve it graphically.

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XII BOARD PREVIOUS YEAR PAPER ENGLISH-BOARD PAPER SOLUTIONS-All Questions
  1. Find the coordinates of the foot of the perpendicular and the perpen...

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  2. A bag contains 4 balls. Two balls are drawn at random, and are foun...

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  3. One kind of cake requires 300g of flour and 15g of fat, another kin...

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  4. If the length of three sides of a trapezium other than the base is 1...

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  5. Using matrix method, solve the following system of equations: 2/x+...

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  6. Using elementary transformations, find the inverse of the matrix [[1...

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  7. Solve the following differential equation: [(e^(-2\ sqrt(x)))/(sqrt(x)...

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  8. Solve the following differential equation: 3e^xtany\ dx+(2-e^x)sec^2y\...

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  9. Using properties of determinants, prove that |[a, a+b, a+b+c],[2a,3...

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  10. Write the direction cosines of a line parallel to z-axis.

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  11. If f(x)=(4x+3)/(6x-4),\ x\ !=2/3, show that fof(x)=x for all x!=2/3dot...

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  12. Evaluate: int(cos2x-cos2alpha)/(cosx-cosalpha)\ dxdot

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  13. Evaluate : int(1-x^2)/(x(1-2x))\ dxdot

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  14. Evaluate: inte^x\ ((sin4x-4)/(1-cos4x))\ dx

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  15. Evaluate: int(x+2)/(sqrt(x^2+2x+3))dx

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  16. Differentiate x^(xcosx)+(x^2+1)/(x^2-1)\ wdotrdottdotx

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  17. If x=a\ (theta-sintheta),\ y=a\ (1+costheta),\ \ \ find (d^2\ y)/(dx^...

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  18. If the radius of a sphere is measured as 9 cm with an error of 0.03...

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  19. Prove that y=(4sintheta)/((2+costheta))-theta is an increasing func...

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  20. Evaluate: int(sinx+cosx)/(9+16sin2x)\ dx

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