Home
Class 8
MATHS
Fill in the blanks : (i)-4\ xx7/9=7/9x...

Fill in the blanks :
(i)`-4\ xx7/9=7/9xx... `
(ii) `5/(11)xx(-3)/8=(-3)/8xx ...`
(iii) `1/2xx\ (3/4+(-5)/(12))=1/2xx ...+...xx(-5)/(12)`
(iv)`(-4)/5xx (5/7+(-8)/9)=((-4)/5xx ...)+(-4)/5xx(-8)/9`

Text Solution

Verified by Experts

(i)`-4\ xx7/9=7/9xx (-4) `
(ii) `5/(11)xx(-3)/8=(-3)/8xx 5/(11)`
(iii) `1/2 xx\ (3/4+(-5)/(12))=1/2 xx 3/4+1/2 xx (-5)/(12)`
(iv)`(-4)/5 xx\ (5/7+(-8)/9)=((-4)/5xx 5/7)+(-4)/5xx(-8)/9`
Promotional Banner

Topper's Solved these Questions

  • PROFIT, LOSS, DISCOUNT AND VALUE ADDED TAX (VAT)

    RD SHARMA|Exercise All Questions|118 Videos

  • SQUARES AND SQUARE ROOTS

    RD SHARMA|Exercise All Questions|183 Videos

Similar Questions

Explore conceptually related problems

7/5 xx((-3)/8) + 3/4 xx 7/5

Fill in the blanks i (-6)xx(........) = 6 ii (-18)xx(.......) = (-18) iii (-8) xx (-9) = (-9) xx (...) iv 7 xx (-3) = (-3) xx (…) v {(-5)x3}x(-6) = (...)xx{3xx(-6)} vi (-5)x(...)=0

Verify each of the following: (i) (3)/(7)xx(-5)/(7) = (-5)/(9)xx(3)/(7) (ii) (8)/(7) xx (13)/(9) = (13)/(9) xx (-8)/(7) (iii) (-12)/(5)xx (7)/(-36) = (7)/(-36) xx (-12)/(5) (iv) -8 xx (-13)/(12) = (-13)/(12)xx(-8)

Verify each of the following: (i) ((5)/(7)xx (12)/(13))xx(7)/(18)= (5)/(7) xx ((12)/(13)xx(7)/(18)) (ii) (-13)/(24)xx((-12)/(5)xx(35)/(36))=((-13)/(24)xx(-12)/(5))xx (35)/(36) (iii) ((-9)/(5)xx (-10)/(3)) xx (21)/(-4) = (-9)/(5) xx ((-10)/(3) xx (21)/(-4))

(3/-2 xx 4/9)+(9/5xx-10/3)

Name the property of multiplication shown by each of the following statements: (i) (-12)/(5) xx (3)/(4)=(3)/(4)xx (-12)/(5) (ii) (-8)/(15) xx 1=(-8)/(15) (iii) ((-2)/(3) xx (7)/(8)) xx (-5)/(7) = (-2)/(3) xx ((7)/(8) xx (-5)/(7)) (iv) (-2)/(3) xx 0=0 (v) (2)/(5) xx ((-4)/(5) +(-3)/(10)) = ((2)/(5) xx (-4)/(5)) +((2)/(5)xx (-3)/(10))

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)

Find the product: (i) (9)/(2)xx((-7)/(4)) (ii) (3)/(10)xx(-9)( iii) (-6)/(5)xx(9)/(11) (iv) (3)/(7)xx((-2)/(5))( v) (3)/(-5)xx(-5)/(3)

i) 2/3 xx (2) 2/3 (ii) 2/7 xx 7/9 (iii) 3/8 xx 6/4 (iv) 9/5 xx 3/5 (v) 1/3 xx (15)/8 (vi) (11)/2 xx 3/(10) (vii) 4/5 xx (12)/7

RD SHARMA-RATIONAL NUMBERS-All Questions
  1. Name the property of multiplication of rational number illustrated b...

    Text Solution

    |

  2. Fill in the blanks : (i)The product of two positive rational number i...

    Text Solution

    |

  3. Fill in the blanks : (i)-4\ xx7/9=7/9xx... (ii) 5/(11)xx(-3)/8=(-3...

    Text Solution

    |

  4. Divide : (i)3/5b y4/(25) (ii) (-8)/9b y4/3 (iii)(-16)/(21)b y(-4)/3 ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  7. Divide : (i)1b y1/2 (ii) 5 b y(-5)/7 (iii) (-3)/4b y9/(-16)

    Text Solution

    |

  8. Divide : (i)(-7)/8b y(-21)/(16) (ii) 7/(-4)b y(63)/(64) (iii) 0...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  13. The product of two rational number is (-8)/9dot\ If one of the number...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  17. By what number should (-3)/4\ b e\ multiplied in order to produce 2/3...

    Text Solution

    |

  18. Find (x+y)+(x-y), if (i)x=2/3, y=3/2 (ii) x=2/5, y=1/2

    Text Solution

    |

  19. Find (x+y)+(x-y), if x=5/4, y=(-1)/3 (ii) x=2/7, y=4/3 (iii) ...

    Text Solution

    |

  20. The cost of 7 2/3 metres of rope is rs 12 3/4dot Find the cost of rope...

    Text Solution

    |