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If there is an error 0.05 sq.cm in the s...

If there is an error 0.05 sq.cm in the surface area of a sphere then the error in its volume when the radius =20 cm is

A

1 c.c

B

0.5 c.c

C

2.5 c.c

D

1.5 c.c

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The correct Answer is:
B
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AAKASH SERIES-ERRORS AND APPROXIMATIONS-EXERCISE-I
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  2. If the radius of a sphere is raised from 10 cm to 11 cm when heated th...

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  3. If there is an error 0.05 sq.cm in the surface area of a sphere then t...

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  4. A circular hole of 4 mm in diameter and 12 mm deep in a metal block is...

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  5. If there is an error 0.01 cm in the measurement of the radius 10 cm of...

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  6. The radius and height of a cylinder are measured as 5 cm and 10 cm res...

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  7. The radius of a closed cylinder is half of its height. If an error of ...

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  8. If there is an error of 0.05 cm while measuring the side of an equilat...

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  9. The semi vertical angle of a cone is 45^(@). The height of the cone is...

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  10. If errors of 1% each are made in the base radius and height of a cylin...

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  11. The approximate change in the total surface area of a right circular c...

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  12. The radius and height of a cone are measured as 6 cm and 12 cm respect...

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  13. If there is an error of 0.05 cm in the side of a cube 10 cm then the e...

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  14. If there is an error of 1 % is made in the side of a cube then the per...

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  15. If a, b, c are the sides of DeltaABC, inscribed in a given circle, th...

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  16. If in a triangle the side a and the angle A remain constant, while oth...

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  17. An electric current is measured by a tangent galvonometer, the current...

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  18. The angle C of DeltaABC is found by measurement to be 47^(@) and the ...

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  19. The focal length of a mirror is given by (1)/(v)-(1)/(u)=(2)/(f). If e...

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  20. The percentage error in measuring the radius of a sphere is 1%. If S(1...

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