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

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

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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)

Find each of the following products: (i) (-3)/(7)xx(14)/(5)" " (ii) (13)/(6) xx (-18)/(91) " " (iii) (-11)/(9) xx (-51)/(44)

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

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

Simplify: (13)/(11) xx (-14)/(5) + (13)/(11) xx (-7)/( 5)

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 (3)/(7)xx(28)/(15)div (14)/(5)

Simplify each of the following and express the result as a rational number in standard from: (-16)/(21)xx(14)/5 (ii) 7/6xx(-3)/(28)

Simplify: (13(4)/(7)xx13(4)/(7)-8(3)/(7)xx8(3)/(7))/(13(4)/(7)-8(3)/(7)) (a) 18 (b) 20( c) 22( d9) 24

RD SHARMA-OPERATIONS ON RATIONAL NUMBERS-All Questions
  1. Multiply: 3/4\ by 5/7 (ii) 3/7 by ((-4)/5)

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  2. Multiply: ((-5)/9) by 4 (ii) ((-36)/7) by (-(28)/9)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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