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One circle has a radius of 98 cm and a s...

One circle has a radius of 98 cm and a second concentric circle has a radius of 1 m 26 cm.How much longer is the circumference of the second circle than that of the first?

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The correct Answer is:
176cm
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RS AGGARWAL-MENSURATION-EXERCISE 20E
  1. Find the circumference of a circle whose diameter is Q(i) 35 cm (ii) 4...

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  2. Find the circumference of a circle of radius 15 cm. [Take pi = 3.14.]

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  3. Find the radius of a circle whose circumference is 57.2 cm.

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  4. Find the diameter of a circle whose circumference is 63.8 m.

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  5. The circumference of a circle exceeds its diameter by 30 cm. Find the ...

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  6. The ratio of the radii of two circles is 5:3. Find the ratio of their ...

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  7. How long will a man take to make a round of a circular field of radius...

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  8. A racetrack is in the form of a ring whose inner circumference is 528 ...

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  9. The inner circumference of a circular track is 330 m. The track is 10....

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  10. One circle has a radius of 98 cm and a second concentric circle has a ...

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  11. A piece of wire is bent in the shape of an equilateral triangle each o...

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  12. A rhombus has the same perimeter as the circumference of a circle. If ...

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  13. A wire in the form of a rectangle 18.7 cm long and 14.3 cm wide is res...

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  14. A wire is looped in the form of a circle of radius 35 cm. If it is reb...

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  15. A well of diameter 140 cm has a stone parapet around it. If the length...

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  16. Find the distance covered by the wheel of a bus in 2000 rotations if t...

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  17. The diameter of the wheel of a cycle is 70 cm. How far will it go in 2...

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  18. The diameter of the wheel of a car is 77 cm. How many revolutions will...

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  19. A bicycle wheel makes 5000 revolutions in moving 11 km. Find the circu...

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  20. The hour and minute hands of a clock are 4.2 cm and 7 cm long respecti...

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