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

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

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Divide :1by(1)/(2) (ii) 5by(-5)/(7) (iii) (-3)/(4)by(9)/(-16)

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

Divide: 3/8b y5/9 (ii) 3 1/4b y2/3

Divide: 7/8\ b y\ 4 1/2\ (ii) 6 1/4b y\ 2 3/5

Divide: 7/(-4)\ b y(63)/(64) (ii) 0\ b y\ (-7)/5

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

Divide: 5/9\ b y2/3 (ii) 28\ b y7/4 36\ b y\ 6 2/3

Multiply: 2 1/3\ b y2/5 (ii) 5 3/4\ b y\ 2 3/7

Multiply: 7/(11)\ b y3/5 (ii) 3/5\ b y\ 25

Divide: (i) 5/9 "by"2/3 (ii) 5 4/7"by"13/14 (iii) 4 2/7"by"2 2/5

RD SHARMA-OPERATIONS ON RATIONAL NUMBERS-All Questions
  1. The product of two rational numbers is (-28)/(81)dot If one of the ...

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

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

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  4. Divide: (-3)/4\ b y9/(-16) (ii) (-7)/8\ b y\ (-21)/(16)

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  5. Divide: 7/(-4)\ b y(63)/(64) (ii) 0\ b y\ (-7)/5

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

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  7. Find the value and express as a rational number in standard form: 2...

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

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

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  10. The product of two rational numbers is (-8)/9dot if one of the numb...

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

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

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

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  14. By what number should (-3)/4 be multiplied in order to produce 2/3?

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  15. Find (x+y)-:(x-y), if x=2/3, y=3/2 (ii) x=2/5, y=1/2 x=5/4, y=(-1)/3

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  16. The cost of 7 2/3 metres of rope is Rs 12 3/4dot Find its cost per met...

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  17. The cost of 2 1/3 metres of cloth is Rs. 75 1/4 . Find the cost of clo...

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  18. By what number should (-33)/(16) be divided to get (-11)/4?

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  19. Divide the sum of (-13)/5 and (12)/7 by the product of (-31)/7\ a n d\...

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  20. Divide the sum of (65)/(12)\ a n d8/3 by their difference.

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