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Simplify (3)/(7) +(-2)/(21)xx(-5)/(6)...

Simplify
`(3)/(7) +(-2)/(21)xx(-5)/(6)`

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NCERT EXEMPLAR-RATIONAL NUMBERS -Exercise
  1. Simplify (32)/(5)+(23)/(11)xx (22)/(15)

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  2. Simplify (3)/(7)xx(28)/(15)div (14)/(5)

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  3. Simplify (3)/(7) +(-2)/(21)xx(-5)/(6)

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  4. Simplify (7)/(8) +(1)/(16) -(1)/(12)

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  5. Identify the rational number that does not belong with the other three...

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  6. The cost of (19)/(4) metres of wire is Rs. (171)/(2) . Find the cost ...

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  7. A train travels (1445)/(2) km in (17)/(2) hours. Find the speed of the...

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  8. If 16 shirts of equal size can be made out of 24m of cloth, how much c...

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  9. (7)/(11) of all the money in Hamid’s bank account is Rs. 77,000. How m...

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  10. A 117(1)/(3) m long rope is cut into equal pieces measuring 7(1)/(3) m...

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  11. (1)/(6) of the class students are above average, (1)/(4) are average ...

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  12. (2)/(5) of total number of students of a school come by car while (1)/...

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  13. Huma, Hubna and Seema received a total of Rs. 2,016 as monthly allowan...

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  14. A mother and her two daughters got a room constructed for Rs. 62,000. ...

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  15. Tell which property allows you to compare (2)/(3) xx [(3)/(4) xx (5)/(...

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

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

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

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

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

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