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1-:(-5)/7= (a)2/7 (b) 5/7 (c)-2/7 ...

`1-:(-5)/7=` (a)`2/7` (b) `5/7` (c)`-2/7` (d) `(-7)/5`

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(2/3)^(-5)x\ (5/7)^(-5) is equal to (a) (2/3x5/7)^(-10) (b) (2/3x5/7)^(-5) (c) (2/3x5/7)^(25) (d) (2/3x5/7)^(-25)

Harmonic conjugate of the point (5, 13) with respect to (2,-5) and (3,1) is (1,(13)/5) (b) ((13)/5,1) ((13)/5,7/5) (d) (-7/5,(13)/5)

RD SHARMA ENGLISH-OPERATIONS ON RATIONAL NUMBERS-All Questions
  1. If 24 trousers of equal size can be prepared in 54 metres of cloth,...

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

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

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

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

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  6. State true or false: (i) Between any two distinct integers there is ...

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

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

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  9. Reciprocal of (-3)/4 is (a)3/4 (b) 4/3 (c)(-4)/3 (d) None of th...

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  10. The multiplicative inverse of 4/(-5) is (a)-4/5 (b) 5/4 (c)5/(-...

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  11. 1-:(-5)/7= (a)2/7 (b) 5/7 (c)-2/7 (d) (-7)/5

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  12. Choose the correct option (-5)/(13)+?=-1 (a)8/(13) (b) (-8)/(13) ...

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  13. 0-:3/5= (a)0 (b) 5/3 (c)3/5 (d) -3/5

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  14. Choose the correct option -2 3/7+4=? a)(-11)/7 (b) (11)/7 (c)(...

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  15. If the product of two non-zero rational numbers is 1, then they are ...

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  16. The product 3 1/7xx1 5/6xx1 2/5xx1 1/(11) is equal to (a)5 8/5 (b) ...

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  17. 1-:1/3= (a)1/3 (b) 3 (c)1 1/3 (d) 3 1/3

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  18. Choose the correct option (-2)-:(-5/3)= (a)5/6\ (b) -5/6 (c)6/...

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  19. If x/2+1/3=1, then x= (a)3/4 (b) 4/3 (c)-3/4 (d) (-4)/3

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  20. Choose the correct option 5/4-7/6-(-2)/3=\ (a) 3/4 (b) -3/4 ...

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