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If p and q are two prime numbers, then w...

If `p` and `q` are two prime numbers, then what is their LCM?

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RD SHARMA ENGLISH-REAL NUMBERS-All Questions
  1. State Euclid Division lemma.

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  2. If a and b are relatively prime numbers, then what is their HCF?

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  3. If p and q are two prime numbers, then what is their LCM?

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  4. What is the total number of factors of a prime number?

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  5. What is a composite number?

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  6. What is the HCF of the smallest composite number and the smallest p...

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  7. HCF of two numbers is always a factor of their LCM (True / False).

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  8. pi is an irrational number (True / False).

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  9. The sum of two prime numbers is always a prime number (True/false).

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  10. The product of any three consecutive natural numbers is divisible b...

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  11. Every even integer is of the form 2m , where m is an integer (True/...

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  12. Every odd integer is of the form 2m-1 , where m is an integer (True...

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  13. The product of two irrational numbers is an irrational number (True...

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  14. The sum of two irrational numbers is an irrational number (True/fal...

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  15. For what value of n ,\ 2^nxx5^n ends in 5.

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  16. If a and b are relatively prime numbers, then what is their HCF?

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  17. If a and b are relatively prime numbers, then what is their LCM?

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  18. Two numbers have 12 as their HCF and 350 as their LCM (True/false).

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  19. The exponent of 2 in the prime factorisation of 144, is (a) 4       ...

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  20. The LCM of two numbers is 1200. Which of the following cannot be th...

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