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Write the reciprocal of each of the fo...

Write the reciprocal of each of the following rational numbers:
(i)`2/5`
(ii) `(-7)/(15)`

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RD SHARMA ENGLISH-OPERATIONS ON RATIONAL NUMBERS-All Questions
  1. Simplify: (i) ((13)/9xx(-15)/2)+(7/3xx8/5)+(3/5xx1/2) (ii) (3/(11)x...

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  2. Write the reciprocal of each of the following rational numbers: (i)...

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  3. Write the reciprocal of each of the following rational numbers: (i)...

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  4. Find the reciprocal of: (-3)/8xx(-7)/(13)

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  5. Divide: (i)3/5\ b y4/(25) (ii) 8/9\ b y4/3

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  6. Divide: (i)(-16)/(21)\ b y4/3 (ii) (-8)/(13)\ b y3/(-26)

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  7. The product of two rational numbers is (-28)/(81)dot If one of the ...

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  8. By what number should we multiply 3/(-14), so that the product may ...

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  9. Divide: (i)1 by 1/2 (ii) 5\ b y\ (-5)/7

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  10. Divide: (i)(-3)/4\ b y9/(-16) (ii) (-7)/8\ b y\ (-21)/(16)

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  11. Divide: (i)7/(-4)\ b y(63)/(64) (ii) 0\ b y\ (-7)/5

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  12. Divide: (-3)/4\ b y-6 (ii) 2/3\ b y\ (-7)/(12)

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  13. Find the value and express as a rational number in standard form: (...

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  14. Find the value and express as a rational number in standard form: (i...

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  15. The product of two rational number is 15. If one of the numbers is ...

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  16. The product of two rational numbers is (-8)/9dot if one of the numb...

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  17. By what number should we multiply (-1)/6 so that the product may be (-...

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  18. By what number should we multiply (-15)/(28) so that the product ma...

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  19. By what number should we multiply (-8)/(13) so that the product may...

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  20. By what number should (-3)/4 be multiplied in order to produce 2/3?

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