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Express 2/(-7) as a rational number with...

Express `2/(-7)` as a rational number with denominator (i) 42 (ii) -28

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The correct Answer is:
(i) `-12/42`, (ii) `8/(-28)`
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ICSE-RATIONAL NUMBERS -EXERCISE 2A
  1. What are rational numbers? Give four examples of each of positive rati...

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  2. Which of the following are rational numbers? (i) 5/15, (ii) -6/23, (...

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  3. Write down the numerator and the denominator of each of the following ...

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  4. Which of the following are positive rational numbers? (i) -7/8, (ii)...

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  5. Which of the following are negative rational numbers? (i) -16/5, (ii...

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  6. Find four rational numbers equivalent to each of the following: (i) ...

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  7. Write each of the following rational numbers with positive denominator...

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  8. Express 4/9 as a rational number with numerator (i) 24 (ii) -20

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  9. Express 3/8 as a rational number with denominator (i) 48 (ii) -32

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  10. Express -6/11 as a rational number with numerator (i) -36 (ii) 42

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  11. Express 2/(-7) as a rational number with denominator (i) 42 (ii) -28

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  12. Express -48/36 as a rational number with numerator (i) -4(ii) 8

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  13. Express 78/(-117) as a rational number with numerator (i) -6 (ii) 2

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  14. Write each of the following rational numbers in standard form : (i) ...

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  15. Find the value of x such that: (i) -2/3=14/x, (ii) 8/-3 = x/6, (iii)...

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  16. State whether the given statement is true or false : The quotient of...

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  17. Every rational number is a fraction.

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  18. Zero is the smallest rational number.

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  19. Every fraction is a rational number.

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