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The cost of 7 2/3 metres of rope is Rs 1...

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

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RD SHARMA-OPERATIONS ON RATIONAL NUMBERS-All Questions
  1. By what number should (-3)/4 be multiplied in order to produce 2/3?

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

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

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

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

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

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  8. If 24 trousers of equal size can be prepared in 54 metre of cloth, ...

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  9. Insert 10 rational numbers between (-3)/(11)\ a n d8/(11)dot

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  10. Insert 100 rational numbers between (-3)/(13)\ \ a n d\ 9/(13)

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  11. Find six rational numbers between (-4)/8\ a n d3/8

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  12. Find 10 rational numbers between 7/(13)\ a n d\ (-4)/(13)

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  13. State true or false: Between any two distinct integers there is alw...

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  14. What should be added to (-7)/9\ to get 2? (11)/9\ (b) (-11)/9 (-25...

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  15. What should be subtracted from (-2)/3\ to get 4/5? (22)/(15)\ (...

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  16. Reciprocal of (-3)/4 is (a)3/4 (b) 4/3 (c)(-4)/3 (d) None of these

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  17. The multiplicative inverse of 4/(-5) is -4/5 (b) 5/4 5/(-4) (d) ...

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  18. 1-:(-5)/7= 2/7 (b) 5/7 -2/7 (d) (-7)/5

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  19. (-5)/(13)+?=-1 8/(13) (b) (-8)/(13) (-18)/(13) (d) (18)/(13)

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  20. 0-:3/5= 0 (b) 5/3 3/5 (d) -3/5

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