Q. What is the square root of 0. 4 bar ? (0. 4 bar -ৰ বৰ্গমূল কিমান ?) with some PYQ

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Solⁿ

If the number is 0.4 bar(that is, 0.4444...) | যদি সংখ্যাটো 0.4 bar (অৰ্থাৎ 0.4444...) হয়, তেন্তে -

0.4 bar = 4/9

Therefore / সেয়ে,

√0.4 bar = 4/9 = 2/3 = 0.6 bar

 Ans / উত্তৰ: 2/3 or 0.6 bar

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Practice Set – Square Roots of Recurring Decimals

​Q1. What is the square root of 0.1bar ?

A. 1/3​  B. 2/3​  C. 4/3  D. 3/2​​​

Q2. What is the square root of 0.7 bar ?

A. 7/9  B. √7/3  C. 7/3​  D. 3/7​​​

Q3. What is the square root of 0.9bar ?

A. 1/3  B. 2/3  C. 1  D. 3/2​

Q4. What is the square root of 0.25bar ?

A. 5/9​  B. 5/3  C. 3/5​  D. 25/9​​

Q5. What is the square root of 0.36bar ?

A. 2/3​  B. 6/11  C. 3/5  D. 6/7​​

Q6. What is the square root of 0.49bar ?

A. 7/9​  B. 4/9  C. 9/7​  D. 7/11​​​

Q7. What is the square root of 0.64bar ?

A. 8/9  B. 4/9  C. 9/8​  D. 8/7​​​