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Which of the following ratios are in pro...

Which of the following ratios are in proportion? 12 : 21 and 32 : 56

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R G PUBLICATION-REVISION-EXERCISE
  1. Which of the following ratios are in proportion? 12 : 21 and 32 : 56

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  2. Which of the following ratios are in proportion? 18 : 30 and 14 : 21

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  3. Which of the following ratios are in proportion? 22 : 33 and 33 : 24

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  4. Which of the following ratios are in proportion? 24:28 and 20:25

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  5. Which of the following sets of numbers are in proportions: 2,6,6,8

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  6. Which of the following sets of numbers are in proportions: 10,20,30,60

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  7. Which of the following sets of numbers are in proportions: p,pq,p^2q,q...

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

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

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

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

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

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

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

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

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

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

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

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

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

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