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

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

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RS AGGARWAL-RATIONAL NUMBERS-SOLVED EXAMPLES
  1. . What should be added to frac(-7)(8) to get frac(4)(9) ?

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  2. What should be subtracted from frac(-2)(3) to get frac(5)(6) ?

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  3. . Find the product: (i) frac(2)(3) xx frac(5)(7) (ii) frac(3)(4) xx ...

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  4. . Simplify: (i) frac(-36)(7) xx frac(-14)(9) (ii) frac(-8)(13) xx frac...

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

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  6. Simplify: (i) frac(-5)(9) xx frac(63)(-100) (ii) frac(-11)(9) xx frac(...

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  7. S car is moving at an average speed of 56(4/5) km/h. How much distance...

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  8. . Write down the reciprocal of: (i) frac(13)(7) (ii) frac(-8)(9) (ii...

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  9. EXAMPLE 1. Simplify: (i) frac(7)(15) div frac(2)(3) (ii) frac(-8)(35...

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  10. Fill in the blanks: (27)(16)div(...)=(-15)(8).

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  11. The product of two rational numbers is frac(-8)(9). If one of the numb...

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  12. By What number should (-33)(8) be divided to get (-11)(2) ?

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  13. The cost of 15 pencils is Rs37frac(1)(2). Find the cost of each pencil...

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  14. S car is moving at an average speed of 56frac(4)(5) km/h. How much dis...

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  15. Write down the reciprocal of: (i) frac(13)(7) (ii) frac(-8)(9) (iii)...

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  16. EXAMPLE 1. Simplify: (i) frac(7)(15) div frac(2)(3) (ii) frac(-8)(35...

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  17. Fill in the blanks: frac(27)(16)div(...)=frac(-15)(8).

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  18. The product of two rational numbers is frac(-8)(9). If one of the numb...

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  19. By What number should (-33)(8) be divided to get (-11)(2) ?

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  20. The cost of 15 pencils is Rs37frac(1)(2). Find the cost of each pencil...

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