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Simplify: (-5)/9xx(72)/(-125) (ii) (-22...

Simplify: `(-5)/9xx(72)/(-125)` (ii) `(-22)/9xx(-51)/(-88)`

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Simplify : (-8)/(7)x(14)/(5) (ii) (13)/(6)x(-18)/(91)(-5)/(9)x(72)/(-125) (iv) (-22)/(9)+(-51)/(-88)

Simplify : (i) (3)/(20)xx(4)/(5) (ii) (-7)/(30)xx(5)/(14) (iii) (5)/(-18)xx(-9)/(20) (iv) (-9)/(8)xx(-16)/(3) (v) -32xx(-7)/(36) (vi) (16)/(-21)xx(-14)/(5)

Simplify: 5xx3/(20)xx2/(15) (ii) (14)/(25)xx(35)/(51)xx(34)/(49)

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

Simplify: (i) (7)(18) xx(-4) (ii) (-36) xx ((-5)(9))

simplify :(3)/(11)x(-5)/(6)x(-(22)/(9))x(-(9)/(5))

Simplify : (-5)/(9) xx ((-10)/(13)) xx ((21)/(11)) xx (-7)

Simplify : [ ((- 3 )/( 2) xx (4)/(5) ) + ((9)/(5) xx (-10)/( 3)) - ((1)/(2)xx (3)/(4)) ] div [ ((21)/( 9) xx (3)/(7)) +((7)/(8) xx (16)/(14)) ]

RD SHARMA-OPERATIONS ON RATIONAL NUMBERS-All Questions
  1. Multiply: ((-5)/9) by 4 (ii) ((-36)/7) by (-(28)/9)

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  2. Simplify: (-8)/7xx(14)/5 (ii) (13)/6xx(-18)/(91)

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  3. Simplify: (-5)/9xx(72)/(-125) (ii) (-22)/9xx(-51)/(-88)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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