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If n is a natural number, then sqrtn is...

If n is a natural number, then `sqrtn` is

A

Always a natural number

B

Always a rational number

C

Always an irrational number

D

Either a natural number or an irrational number

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GAGAN PRATAP -NUMBER SYSTEM-Multiple Choice Questions
  1. If n is a natural number, then sqrtn is

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  2. All odd prime numbers upto 110 are multiplied together. What is the un...

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  3. What is the value of x for which x, x+1,x+3 are all prime numbers?

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  4. If N^(2)-33, N^(2)-31 and N^(2)-29 are prime numbers, then what is the...

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  5. The sum of three prime numbers is 100. If one of them exceeds another...

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  6. Consider the following statements : 1. Of two consecutive integers,...

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  7. Which one of the following rational numbers has non-terminating and re...

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  8. Consider the following statements in respect of two integers p and q (...

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  9. 'AB' is 2 digit prime number where A is not equal to B, if digits are ...

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  10. If m is the number of prime numbers between 0 and 50, and n is the num...

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  11. Three numbers which are co-prime to each other, are such that the prod...

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  12. x, y and z are prime numbers and x+y+z = 38. What is the maximum value...

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  13. N is the smallest three digit prime number. When N is divided by 13. T...

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  14. Theere are four prime numbers written in ascending order. The product ...

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  15. How many pairs of natural numbers are there such that the difference o...

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  16. How many pairs (m, n) of positive integers satisfy the equation m^(2) ...

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  17. Suppose n is a positive integer such that (n^2 + 48) is a perfect squa...

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  18. What is the sum of all integer values of n for which n^2 + 19n +92 is ...

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  19. If the sum of the digits of a number 10^(n) - 1, where n is a natural...

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  20. The sum of two positive numbers is 14 and difference between their squ...

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