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If the rate of change in the perimeter o...

If the rate of change in the perimeter of a square is K times the rate of change in its side then k =

A

2

B

3

C

4

D

1

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-RATE MEASUREMENT-PRACTICE SHEET (EXERCISE - 1) (LEVEL - 1) (STRAIGHT OBJECTIVE TYPE QUESTION)
  1. An aeroplane is flying horizontally at an altitude of 3000 ft directly...

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  2. A source of light is hung h mts. Directly above a straight horizontal ...

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  3. If the rate of change in the perimeter of a square is K times the rate...

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  4. The point of the ellipse 16x^(2) + 9y^(2) = 400. At which the ordinate...

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  5. A car starts from and attains the speed of 1 km/hr nad 2,ms/hr at the ...

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  6. A point is moving along y^(3) = 27x. The interval in which the absciss...

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  7. In a simple pendulum , if the rate of change in the time period is equ...

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  8. A point is moving on y = 4 - 2x^(2). The x-coordinate of the point is ...

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  9. At the point (2,3) on the curve y = x^(3) - 2x + 1, the gradient of th...

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  10. A point is moving along the cubical parabola 12y = x^(3). The rate of...

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  11. Moving along the x - axis there are two points with x = 10 + 6t, x =3 ...

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  12. The pressure p and the voluem v of a gas are connected by the relation...

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  13. A wheel rotates so that the angle of rotation is proportional to the s...

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  14. If the semivertical angle of a cone is 45^(@) then the rate of chang...

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  15. The volume of a ball increases at 2pic.c//sec. The rate of increase of...

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  16. A ballon is in the shape of a cone surmounted by a semi sphere. The ra...

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  17. The spherical ballon is being inflated so that its volume increases un...

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  18. If the radius of a sphere ia equal to the height and radius of the cyl...

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  19. A rectangular vessel is of 2 mt long. 0.5 mt breadth and I mt deep. If...

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  20. The diameter and altitude of a right circular cylinder are found at a ...

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