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

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

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RD SHARMA ENGLISH-RATIONAL NUMBERS-All Questions
  1. Simplify: 5/4-7/6-(-2)/3 (ii) (-2)/5-(-3)/(10)-(-4)/7

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  2. Simplify: 5/6+(-2)/5-(-2)/(15) (ii) 3/8-(-2)/9+(-5)/(36)

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

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

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  5. Simplify : ((-16)/5\xx(20)/8)-((15)/5\ xx\(-35)/3)

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  6. Simplify : ((-3)/2xx4/5)+(9/5xx(-10)/3)-(1/2xx3/4)

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  7. Simplify : ((-7)/(18)xx(15)/(-7))-(1xx1/4)+\ (1/2xx1/4)

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

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

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  10. Multiply: 9/(-7)b y(36)/(-11) (ii) (-11)/(13)b y(-21)/7

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  11. Multiply: -3/5b y-4/7 (ii) -(15)/(11)b y\ 7

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

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

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  14. Multiply: 8/(-9)b y(-7)/(-16) (ii) (-8)/9b y3/(64)

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

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

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

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

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  19. Simplify : ((25)/8xx2/5)-\ (3/5xx(-10)/9)

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  20. Simplify : (1/2xx1/4)+\ (1/2xx\ 6)

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