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Let A(0, 75), B(90, 0) , C(60, 40) and D...

Let A(0, 75), B(90, 0) , C(60, 40) and D(45, 25) be the corner points of the bounded feasible region of a LPP . If the objective function is `Z= 3x + 4y`, then Z is maximum at corner point-

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CHHAYA PUBLICATION-MCQ ZONE 3 -Question Paper 5
  1. The normal to the curve x= a(1 + cos theta ) , y= a sin theta at the ...

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  2. If the area bounded by the parabola y= ax^(2) and x= ay^(2) , a gt 0...

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  3. The locus of the middle point of the intercept of the tangent drawn fr...

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  4. Which one of the following definite integrals represents the area inc...

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  5. A normal to the parabola y^(2)=5x makes an angle 45^(@) with the x-ax...

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  6. If the tangents to the graph of the function y= f(x) make angle (pi)/(...

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  7. The maximum value of xy when x+2y=8 is

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  8. The function f(x)= tan^(-1) (sin x + cos x ), x gt 0 is always an inc...

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  9. The points of extrema of the function f(x)= int(0)^(x)(sin t)/(t)dt i...

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  10. The minimum value of the function f(x)= sin x + cos x is-

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  11. The perimeter of a sector is p , then the area of the sector is maxim...

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  12. The value of a ( a ge 3) for which the sum of the cubes of the roots ...

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  13. If f(x)= x^(3) + (1)/(x^(3) )(x ne 0), then its greatest value is-

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  14. The nearest point on the line 3x- 4y = 25 from the origin is

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  15. If the slope of the tangent at (x, y) to a curve passing through the p...

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  16. An open box, with a square base, is to be made out of a given quantity...

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  17. If the radius of a sphere is measured as 5 m with an error of 0.02 m, ...

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  18. If the volume of a sphere increases at a constant rate, then the rate ...

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  19. Let A(0, 75), B(90, 0) , C(60, 40) and D(45, 25) be the corner points ...

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  20. If f(x)= 2x^(2) + 10 x - 7 , then the approximate value of f(2.05) i...

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