C-01-Q139mediumsingle_mcq

Which of the following is irrational?

a $\sqrt{9}$
b $0.4$
c $\sqrt{11}$
d $5.639$

ব্যাখ্যা

Since $11$ is not a perfect square, $\sqrt{11}$ is a non-terminating, non-repeating decimal and hence irrational. The other options are either perfect squares or terminating decimals, which are rational.

এই অধ্যায়ের আরও প্রশ্ন

C-01-Q140as a fraction equals—
C-01-Q141equals—
C-01-Q142Without calculating the square root, lies between which two integers?
C-01-Q143as a simple fraction equals—
C-01-Q144as a fraction equals—
C-01-Q145as a common fraction equals—
C-01-Q146In , the number of digits in the repeating part is—
C-01-Q147as a repeating decimal equals—
C-01-Q148From the book's first exercise, which of the following is irrational?
C-01-Q149From the book's exercise 16, is—

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