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Name the property used in the following....

Name the property used in the following.
`(-2)/(7)+0=0+(-2)/(7) = -(2)/(7)`

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Name the property used in the following. (-7)/(11)xx(-3)/(5)=(-3)/5xx(-7)/(11)

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Simplify each of the following by using suitable property. Also name the property. (-3)/(5) xx {(3)/(7) +((-5)/(6))}

Find the values of the following 2^(7)-7^(2)

Evaluate the following : {(7)^0+(4)^(-1)}xx(2)^2

Which is the correct ascending order of the given numbers ? A. (3)/(7), 0.3, (2)/(7) B. 0.3, (2)/(7), (3)/(7) C. (2)/(7), 0.3, (3)/(7) D. (2)/(7), (3)/(7), 0.3

The line passing through the points (1,2,-1) and (3,-1,2) meets the yz-plane at which one of the following points? (A) (0,-(7)/(2),(5)/(2))(B)(0,(7)/(2),(1)/(2))(C)(0,-(7)/(2),-(5)/(2))(D)(0,(7)/(2),-(5)/(2))

Find the values of 'a' and 'b' for which the following hold : [(3,2),(7,a)][(5,-2),(-7,b)]=[(1,0),(0,1)] .

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NCERT EXEMPLAR-RATIONAL NUMBERS -Exercise
  1. Name the property used in the following. -(2)/(3)xx[(3)/(4)+ (-1)/(2...

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  2. Name the property used in the following. (1)/(3)+((4)/(9) +((-4)/(3...

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  3. Name the property used in the following. (-2)/(7)+0=0+(-2)/(7) = -(2...

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  4. Name the property used in the following. (3)/(8) xx 1=1xx(3)/(8) =(...

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  5. Find the multiplicative inverse of (i) -(1)/(8)" " (ii) 3(1)/(3)

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  6. Arrange the numbers (1)/(4), (13)/(16), (5)/(8) in the descending ord...

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  7. The product of two rational numbers is (-14)/(27). If one of the numbe...

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

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

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  10. The product of two rational numbers is -7. If one of the number is -5,...

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  11. Can you find a rational number whose multiplicative inverse is -1?

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  12. Find five rational numbers between 0 and 1.

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  13. Find two rational numbers whose absolute value is (1)/(5).

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  14. From a rope 40 metres long, pieces of equal size are cut. If the lengt...

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  15. 5(1)/(2) metres long rope is cut into 12 equal pieces. What is the len...

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  16. Write the following rational numbers in the descending order. (8)/(7...

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  17. Find 0 div (2)/(3)

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  18. Find (1)/(3)xx (-5)/(7) xx (-21)/(10)

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  19. On a winter day the temperature at a place in Himachal Pradesh was -16...

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  20. Find the sum of additive inverse and multiplicative inverse of 7.

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