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All odd numbers are prime numbers. Is th...

All odd numbers are prime numbers. Is this statement true or false?

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The correct Answer is:
False
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PEARSON IIT JEE FOUNDATION-REAL NUMBERS AND LCM AND HCF -Test your concepts very short type
  1. The natural number other than 1 which is not prime is number.

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  2. All odd numbers are prime numbers. Is this statement true or false?

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  3. What is the least natural number?

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  4. What is the number which has at least three factors called ?

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  5. What is the sum of ten odd numbers and eleven even numbers? (even/odd)

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  6. The product of two positive integers and eight negative integers is a

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  7. Two relatively prime numbers need not be prime numbers. Is this statem...

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  8. The greatest common factor of relatively prime numbers is

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  9. What is the least natural number?

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  10. What is the absolute value of -10?

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  11. Every recurring decimal is a number.

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  12. How many rational numbers exist between any two rational numbers ?

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  13. Is pi a rational or an irrational numbers?

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  14. Every rational number can be represented by some point on the number l...

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  15. What is the multiplicative inverse of a, where a ne 0 ?

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  16. Prime numbers differeing by 2 are called

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  17. If 23457 a68 divisible by 9, then the lest value of a is

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  18. If x is divisible by both 3 and 5 ,then x is divisible by 15. is this ...

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  19. Pairs of numbers of the form (6k-1) and (6k+1) are twin primes. Is thi...

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  20. If a//b,b//c then the GCD of a , b,c is

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