Home
Class 9
MATHS
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 an irrational number.

C

always a rational number

D

may be rational or irrational .

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • REAL NUMBERS

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS AND ANSWERS|49 Videos
  • REAL NUMBERS

    SURA PUBLICATION|Exercise UNIT TEST|19 Videos
  • REAL NUMBERS

    SURA PUBLICATION|Exercise EXERCISE 2.8|18 Videos
  • PROBABILITY

    SURA PUBLICATION|Exercise Unit test (part - B)|4 Videos
  • SET LANGUAGE

    SURA PUBLICATION|Exercise UNIT TEST|20 Videos

Similar Questions

Explore conceptually related problems

The difference between the sum of squares of first n natural numbers and the sum of first n natural numbers is always divisible by 2.

Can the number 6^n , n being a natural number, end with the digit 5? Give reason.

Consider the numbers of the form 4^n where n is a natural number. Check whether there is any value of n for which 4^n ends with zero?

Let n be a natural number. Then the range of the function f(n)=""^(8-n)P_(n-4),4lenle6 , is

Define a relation R on the set N of natural numbers by R= {(x, y): y= x+5, x is a natural number less than 4, x, y in N). Depict this relationship using roster form. Write down the domain and the range.

Prove that ((n^(2))!)/((n!)^(n)) is a natural number for all n in N.

The variance of first n natural number is:

If N is the set of alll natural numbers then which of the following is true

The weighted means of of first n natural numbers whose weights are equal to the squares of corresponding numbers is