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Express each number as a product of its prime factors:(ii) 156

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R G PUBLICATION-REAL NUMBERS-EXERCISE
  1. Use Euclid's division lemma to show that the cube of any positive inte...

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  2. Express each number as a product of its prime factors:(i)140

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  3. Express each number as a product of its prime factors:(ii) 156

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  4. Express each number as a product of its prime factors:(iii)3825

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  5. Express each number as a product of its prime factors:(iv)5005

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  6. Express each number as a product of its prime factors:(v)7429

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  7. Find the LCM and HCF of the following pairs of integer and verify that...

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  8. Find the LCM and HCF of the following pairs of integer and verify that...

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  9. Find the LCM and HCF of the following pairs of integer and verify that...

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  10. Find the LCM and HCF of the following integers by applying the prime f...

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  11. Find the LCM and HCF of the following integers by applying the prime f...

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  12. Find the LCM and HCF of the following integers by applying the prime f...

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  13. Given that HCF (306,657)=9,find LCM (306,657)

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  14. Check whether 6^n can end with the digit 0 for any natural number n.

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  15. Explain why 7xx11xx13+13 and 7xx6xx5xx4xx3xx2xx1+5 are composite numbe...

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  16. There is a circular path around a sports field.Sonia takes 18 minutes ...

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  17. Prove that sqrt5 is irrational.

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  18. Prove that 3+2sqrt5 is irrational.

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  19. Prove that the following are irrationals:(i)1/sqrt2

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  20. Prove that the following are irrationals:(ii)7sqrt5

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