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Multiply: 7/(11)b y5/4 (ii) 5/7b y(-3)...

Multiply: `7/(11)b y5/4` (ii) `5/7b y(-3)/4`

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Multiply: (7)/(11)by(5)/(4) (ii) (5)/(7)by(-3)/(4)

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Multiply: 3/4\ by 5/7 (ii) 3/7 by ((-4)/5)

Multiply: 2/9\ b y4/5 (ii) 3/5\ b y\ 12

Multiply: 3 4/(15)\ b y\ 24 (ii) 3 1/8\ b y\ 4(10)/(11)

Multiply :(3)/(4)by(5)/(7) (ii) (3)/(7)by((-4)/(5))((-5)/(9)) by 4( iv) ((-36)/(7))by(-(28)/(9))

Multiply: 2 1/3\ b y2/5 (ii) 5 3/4\ b y\ 2 3/7

Multiply: (-2)/(9)by(5)/(11) (ii) (-3)/(17)by(-5)/(-4)

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RD SHARMA-OPERATIONS ON RATIONAL NUMBERS-All Questions
  1. Simplify: (-5)/9xx(72)/(-125) (ii) (-22)/9xx(-51)/(-88)

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  2. Simplify: ((-16)/5xx(20)/8)-((15)/5xx(-35)/5) ((-3)/2xx4/5)+(9/5xx(...

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  3. Multiply: 7/(11)b y5/4 (ii) 5/7b y(-3)/4

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  4. Multiply: (-2)/9b y5/(11) (ii) (-3)/(17)b y(-5)/(-4)

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  5. Multiply: (-5)/(17)b y(51)/(-60) (ii) (-6)/(11)b y(-55)/(36)

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  6. Multiply: (-8)/(25) by (-5)/(16) (ii) 6/7 by (-49)/(36)

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  7. Simplify each of the following and express the result as a rational...

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  8. Simplify each of the following and express the result as a rational...

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  9. Simplify: (-5xx2/(15))-(-6xx2/9) (ii) ((-9)/4xx5/3)+((13)/2xx5/6)

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  10. Simplify: ((13)/9xx(-15)/2)+(7/3xx8/5)+(3/5xx1/2) (3/(11)xx5/6)-(9/...

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  11. Write the reciprocal of each of the following rational numbers: 7 ...

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  12. Write the reciprocal of each of the following rational numbers: 2/5...

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

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

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

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

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

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

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

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

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