 # Formulation of An L.P.P.

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• Q1

Linear programming problem deals with optimising

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a single objective.

##### Explanation:
It is the limitation of linear programming problem that it deals with optimising a single objective. In practice, a number of objectives may be there, but a single LPP can be used to optimise only one of them.
• Q2

Rama has 500 and wants to buy some books and pens. The cost of one book is 110 and that of a pen is 20. If ‘x’ denotes the number of books, ‘y’ denotes the number of pens and the total amount spent by him is (110x + 20y), then the linear inequality for the money spent will be

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If the constraints in a linear programming problem are changed, then the

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problem is to be re-evaluated.

##### Explanation:
If the constraints in a linear programming problem are changed, the feasible region changes and hence the optimal solution of the problem changes. So it needs to be re-evaluated.
• Q4

Objective function of a LPP is

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a function to be optimized

##### Explanation:

By definition, Objective function of a LPP is a function to be optimized

• Q5

Anil wants to invest at most 12000 in bonds A and B. According to the rules, he has to invest at least 2000 in bond A and at least 4000 in bond B. If the rate of interest on bond A is 8% per annum and the rate of interest on bond B is 10% per annum, then choose the correct option to represent this situation.

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