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pi is an irrational number (True/false)....

`pi` is an irrational number (True/false).

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The product of two irrational numbers is an irrational number (True/false).

The sum of two irrational numbers is an irrational number (True/false).

Find whether the following statements are true or false.Every real number is either rational or irrational.pi is an irrational number.Irrational numbers cannot be represented by points on the number line.

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

Let theta be a positive angle. Is the number of degrees in is divided by the number of radians in theta , then an irrational number (180)/(pi) results. If the number of degrees in 0 is multiplied by the number of radians in theta . then an irrational number (125pi)/(9) results. The angle theta must be equal to:

Which of the following is a correct statement? Sum of two irrational numbers is always irrational Sum of a rational and irrational number is always an irrational number Square of an irrational number is always an irrational number Square of an irrational number is always a rational number Sum of two rational numbers can never be an integer

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RD SHARMA-REAL NUMBERS-All Questions
  1. What is the HCF of the smallest composite number and the smallest p...

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  2. HCF of two numbers is always a factor of their LCM (True/false).

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  3. pi is an irrational number (True/false).

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

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

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

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

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

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

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

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

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

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

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

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

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  16. If n=2^3xx3^4xx5^4xx7 , then the number of consecutive zeros in n ,...

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  17. The sum of the exponents of the prime factors in the prime factoris...

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  18. The number of decimal places after which the decimal expansion of t...

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  19. If two positive integers a and b are expressible in the form a=p...

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  20. In Q. No. 7, HCF (a ,\ b) is p q (b) p^3q^3 (c) p^3q^2 (d) p^2q^2

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