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The following real numbers have decimal ...

The following real numbers have decimal expansions as given below.In each case,decide whether they are rational or not.If they are rational,and of the form p/q,what can you say about the prime factors of q?
(iii) 43.123456789

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The following real numbers have decimal expansions as given below.In each case,decide whether they are rational or not.If they are rational,and of the form p/q,what can you say about the prime factors of q?(i)43.123456789

The following real numbers have decimal expansions as given below.In each case,decide whether they are rational or not.If they are rational,and of the form p/q,what can you say about the prime factors of q?(ii) 0.120120012000120000….

Without actually performing the long division,state whether the following rational numbers will have a terminating decimal expansion or a non-terminating repeating decimal expansion:(iii) 64/455

Without actually performing the long division,state whether the following rational numbers will have a terminating decimal expansion or a non-terminating repeating decimal expansion:(i) 13/3125

Without actually performing the long division,state whether the following rational numbers will have a terminating decimal expansion or a non-terminating repeating decimal expansion:(ii)17/8

Without actually performing the long division,state whether the following rational numbers will have a terminating decimal expansion or a non-terminating repeating decimal expansion:(viii) 6/15

Without actually performing the long division,state whether the following rational numbers will have a terminating decimal expansion or a non-terminating repeating decimal expansion:(vii) 129/((2^2)(5^7)(7^5)

Without actually performing the long division,state whether the following rational numbers will have a terminating decimal expansion or a non-terminating repeating decimal expansion:(iv)15/1600

Without actually performing the long division,state whether the following rational numbers will have a terminating decimal expansion or a non-terminating repeating decimal expansion:(v)29/343

Without actually performing the long division,state whether the following rational numbers will have a terminating decimal expansion or a non-terminating repeating decimal expansion:(vi) 23/(2^3(5^2))

R G PUBLICATION-REAL NUMBERS-EXERCISE
  1. The following real numbers have decimal expansions as given below.In e...

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  2. The following real numbers have decimal expansions as given below.In e...

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  3. The following real numbers have decimal expansions as given below.In e...

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  4. If a,b are coprime then a^2,b^2 are -- a) prime b)Coprime c)Composite ...

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  5. The product of the HCF and LCM for the number 50 and 20 is a)20 b)10 ...

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  6. The LCM of two numbers is 1200 which of the following cannot be their ...

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  7. If the HCF of 65 and 117 is expressible in the form 65m-117,then the v...

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  8. The co-prime pair is

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  9. If p and q are positive integers such that p=ab^2 and q=a^3b,where a,b...

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  10. If a and b are positive integers such that a=x^3y^2and b=xy^3,where x,...

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  11. If x=2^3xx3xx5^2,y=2^2xx3^3 the HCF (x,y) is a)18 b)102 c)12 d) 2...

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  12. If a=2^2xx3^3xx5^4 and b=2^3xx3^2xx5 then HCF (a,b) is a)90 b)180 ...

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  13. LCM of (2^3xx3xx5) and (2^4xx5xx7) is

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  14. HCF of (2^3xx3^2xx5),(2^2xx3^3xx5^2) and (2^4xx3xx5^3xx7) is a)60 b)...

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  15. Given that HCF (2520,6600)=40 and LCM(2520,6600)=252xxx then the value...

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  16. Given that HCF (26,91)=13 then LCM of (26,91) is a)182 b)282 c)192...

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  17. If HCF (26,169)=13,then LCM(26,169) is a)13 b)26 c)52 d)338

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  18. If a=2^3xx3,b=2xx3,c=3^nxx5 and.LCM(a,b,c)=2^3xx3^2xx5 then n= a)1 b...

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  19. For some positive integer m,every positive even integer is of the form...

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  20. For some positive integer n,every positive odd integer is of the form

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