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Find the LCM and HCF of the following integers by applying the prime factorisation method : 70, 105 and 175

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MBD-REAL NUMBERS-EXERCISE
  1. Find the LCM and HCF of the following integers by applying the prime f...

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

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

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

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

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

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  7. Find HCF (96, 404) if LCM (96, 404) = 9696.

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  8. If HCF (6, 20) is 2, then find LCM (6, 20).

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  9. Check whether 4^n can end with the digit 0 for any natural number n.

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  10. The Traffic lights at three different road crossings change after ever...

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  11. Three boys step off together from the same spot. Their steps measure 6...

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  12. Find the least number which when divided by 6, 15 and 18 leave remaind...

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  13. Check whether 3^n can end with the digit 0 for any natural number n.

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  14. Explain 5 xx 4 xx 2 xx 1+ 5 and 17 xx 15 xx 13 xx 11 xx 9 xx 7 xx 5 xx...

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  15. Every composite number can be expressed (factorized) as a product of p...

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  16. Prove that 5-sqrt3 is irrational.

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  17. Show that 3sqrt2 is irrational.

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  18. Show that following are irrational. : sqrt11

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  19. Show that following are irrational. : sqrt13

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  20. Show that following are irrational. : sqrt7

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