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The radius of a circle is so increase...

The radius of a circle is so increased that its circumference increased by 5%. Find the percentage increase in its area.

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RS AGGARWAL-AREA-All Questions
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  4. The area of a circle whose radius is 6 cm, is trisected by two conc...

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  8. The length of a rectangle is 18 cm and its breadth is 10 cm. When t...

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  9. A rectangular plot measuring 90 metres by 50 metres is to be enclos...

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  10. The length of a rectangular plot is 60% more than its breadth. If t...

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  13. The total cost of flooring a room at Rs 8.50 per square metre is Rs 51...

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  14. The length of a rectangular plot is thrice its breadth. If the area...

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  15. The perimeter of a rectangle is 60 metres. If its length is twice i...

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  16. A man is walking in a rectangular field whose perimeter is 6 km. If th...

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  17. The area of a rectangle is 252 cm2 and its length and breadth are i...

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  18. The length of a rectangular plot is 20 metres more than its breadth...

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  19. A carpenter is designing a table. The table will be in the form of ...

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