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Find the LCM and HCF of the following...

Find the LCM and HCF of the following integers by applying the prime factorisation method: (i) 40, 36 and 126      (ii) 84, 90 and 120     (iii) 24, 15 and 36

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RD SHARMA ENGLISH-REAL NUMBERS-All Questions
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  2. Find the LCM and HCF of the following integers by applying the prim...

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

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

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  5. Can two numbers has 16 as H.C.F. and 380 as L.C.M .

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  6. The HCF of two numbers is 145 and their LCM is 2175. If one number ...

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  7. The HCF of two numbers is 16 and their product is 3072. Find their ...

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  8. The LCM and HCF of two numbers are 180 and 6 respectively. If one o...

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  9. Find the smallest number which when increased by 17 is exactly divisib...

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  10. Find the greatest number of 6 digits exactly divisible by 24, 15 an...

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  11. Determine the number nearest to 110000 but greater than 100000 whic...

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  12. Find the smallest number which leaves remainder 8 and 12 when divid...

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  13. What is the smallest number that, when divided by 35,56 and 91 leaves ...

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  14. What is the least number that is divisible by all the numbers 1 to 10

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  15. Prove that sqrt(2) is an irrational number.

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  16. Prove that sqrt(3) is an irrational number.

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  17. Prove that 3sqrt(2) is irrational.

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  18. Prove that sqrt(5) is an irrational number.

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  19. Prove that 5-sqrt(3) is an irrational number.

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  20. Prove that 3+2sqrt(5) is irrational.

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