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Fill in the blanks : Area of circle,A=pi...

Fill in the blanks : Area of circle,`A=pir^2`. If A increases then r_______ . If r decreases A_____.

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R G PUBLICATION-REVISION-EXERCISE
  1. Which of the following sets of numbers are in proportions: p,pq,p^2q,q...

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  2. Which of the following sets of numbers are in proportions: 6 : 30 and ...

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  3. Fill in the blanks : Area of circle,A=pir^2. If A increases then r . I...

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  4. If p propq and when p=6 then q=30. Now if p=2, then what is the value ...

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  5. The value of y in the blank space of the following table is

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  6. What will be the unit digit of the square of the following numbers? ...

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  7. What will be digits in the unit place of the squares of the following ...

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  8. What will be digits in the unit place of the squares of the following ...

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  9. What will be digits in the unit place of the squares of the following ...

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  10. Why do the following numbers are not perfect square? 1057

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  11. Why do the following numbers are not perfect square? 7928

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  12. Why do the following numbers are not perfect square? 222

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  13. Why do the following numbers are not perfect square? 640

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  14. What are the squares of the following numbers? 19

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  15. What are the squares of the following numbers? 37

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  16. What are the squares of the following numbers? 53

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  17. What are the squares of the following numbers? 78

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  18. Find the square roots of the following numbers by Prime factorisation ...

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  19. Find the square roots of the following numbers by Prime factorisation ...

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  20. Find the square roots of the following numbers by Prime factorisation ...

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