Concept-wise Practice

decimal square root MCQ Questions for Class 10

decimal square root se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

16 questions tagged with decimal square root.

संख्या रेखा पर \( \sqrt{7.84} \) को किस बिंदु पर चिन्हित किया जाएगा?

At which point will \( \sqrt{7.84} \) be marked on the number line?

Explanation opens after your attempt
Correct Answer

C. (2.8)

Step 1

Concept

Since \(2.8^2=7.84\), \( \sqrt{7.84}=2.8 \). Watch place value carefully in decimal square roots.

Step 2

Why this answer is correct

The correct answer is C. (2.8). Since \(2.8^2=7.84\), \( \sqrt{7.84}=2.8 \). Watch place value carefully in decimal square roots.

Step 3

Exam Tip

\(2.8^2=7.84\), इसलिए \( \sqrt{7.84}=2.8 \)। दशमलव वर्गमूल में स्थानमान सावधानी से देखें।

Open Question Page
Ask Friends

संख्या रेखा पर \( \sqrt{5.76} \) को किस बिंदु पर चिन्हित किया जाएगा?

At which point will \( \sqrt{5.76} \) be marked on the number line?

Explanation opens after your attempt
Correct Answer

C. (2.4)

Step 1

Concept

Since \(2.4^2=5.76\), \( \sqrt{5.76}=2.4 \). Watch place value in decimal squares.

Step 2

Why this answer is correct

The correct answer is C. (2.4). Since \(2.4^2=5.76\), \( \sqrt{5.76}=2.4 \). Watch place value in decimal squares.

Step 3

Exam Tip

\(2.4^2=5.76\), इसलिए \( \sqrt{5.76}=2.4 \)। दशमलव वर्गों का स्थानमान ध्यान से देखें।

Open Question Page
Ask Friends

संख्या रेखा पर \( \sqrt{3.24} \) किस बिंदु के बराबर है?

On the number line, \( \sqrt{3.24} \) is equal to which point?

Explanation opens after your attempt
Correct Answer

B. (1.8)

Step 1

Concept

Since \(1.8^2=3.24\), \( \sqrt{3.24}=1.8 \). Check place value carefully in decimal squares.

Step 2

Why this answer is correct

The correct answer is B. (1.8). Since \(1.8^2=3.24\), \( \sqrt{3.24}=1.8 \). Check place value carefully in decimal squares.

Step 3

Exam Tip

\(1.8^2=3.24\), इसलिए \( \sqrt{3.24}=1.8 \)। दशमलव वर्गों में स्थानमान सावधानी से देखें।

Open Question Page
Ask Friends

संख्या रेखा पर \( \sqrt{2.89} \) को किस बिंदु पर चिन्हित किया जाएगा?

At which point will \( \sqrt{2.89} \) be marked on the number line?

Explanation opens after your attempt
Correct Answer

A. (1.7)

Step 1

Concept

Since \(1.7^2=2.89\), \( \sqrt{2.89}=1.7 \). Recognising decimal squares saves time.

Step 2

Why this answer is correct

The correct answer is A. (1.7). Since \(1.7^2=2.89\), \( \sqrt{2.89}=1.7 \). Recognising decimal squares saves time.

Step 3

Exam Tip

\(1.7^2=2.89\) इसलिए \( \sqrt{2.89}=1.7 \)। दशमलव वर्ग पहचानना समय बचाता है।

Open Question Page
Ask Friends

संख्या रेखा पर कौन-सी संख्या \(\sqrt{9.61}\) के बराबर है?

Which number is equal to \(\sqrt{9.61}\) on the number line?

Explanation opens after your attempt
Correct Answer

A. (3.1)

Step 1

Concept

Because \(3.1^2=9.61\), \(\sqrt{9.61}=3.1\). Multiply decimal squares carefully.

Step 2

Why this answer is correct

The correct answer is A. (3.1). Because \(3.1^2=9.61\), \(\sqrt{9.61}=3.1\). Multiply decimal squares carefully.

Step 3

Exam Tip

क्योंकि \(3.1^2=9.61\), इसलिए \(\sqrt{9.61}=3.1\)। दशमलव वर्गों को सावधानी से गुणा करें।

Open Question Page
Ask Friends

कौन-सा कथन संख्या रेखा पर \(0<\sqrt{0.49}<1\) को सही ठहराता है?

Which statement justifies \(0<\sqrt{0.49}<1\) on the number line?

Explanation opens after your attempt
Correct Answer

A. क्योंकि (0<0.49<1)Because (0<0.49<1)

Step 1

Concept

If (0<a<1), then \(0<\sqrt{a}<1\); here (a=0.49). For decimal square roots, identify the bounds first.

Step 2

Why this answer is correct

The correct answer is A. क्योंकि (0<0.49<1) / Because (0<0.49<1). If (0<a<1), then \(0<\sqrt{a}<1\); here (a=0.49). For decimal square roots, identify the bounds first.

Step 3

Exam Tip

यदि (0<a<1), तो \(0<\sqrt{a}<1\); यहाँ (a=0.49) है। दशमलव वर्गमूलों में सीमा पहले पहचानें।

Open Question Page
Ask Friends

संख्या रेखा पर \(\sqrt{0.49}\) का सही स्थान कौन सा है?

What is the correct position of \(\sqrt{0.49}\) on the number line?

Explanation opens after your attempt
Correct Answer

B. (0.7)

Step 1

Concept

Since \(0.7^2=0.49\), \(\sqrt{0.49}=0.7\). Be careful with place value in decimal squares.

Step 2

Why this answer is correct

The correct answer is B. (0.7). Since \(0.7^2=0.49\), \(\sqrt{0.49}=0.7\). Be careful with place value in decimal squares.

Step 3

Exam Tip

\(0.7^2=0.49\), इसलिए \(\sqrt{0.49}=0.7\) है। दशमलव वर्गों में स्थान मान सावधानी से देखें।

Open Question Page
Ask Friends

कौन सा विकल्प \(\sqrt{0.49}+\frac{1}{\sqrt{25}}\) का मान है?

Which option is the value of \(\sqrt{0.49}+\frac{1}{\sqrt{25}}\)?

Explanation opens after your attempt
Correct Answer

A. (0.9)

Step 1

Concept

\(\sqrt{0.49}=0.7\) and \(\frac{1}{\sqrt{25}}=\frac{1}{5}=0.2\). The sum is (0.9).

Step 2

Why this answer is correct

The correct answer is A. (0.9). \(\sqrt{0.49}=0.7\) and \(\frac{1}{\sqrt{25}}=\frac{1}{5}=0.2\). The sum is (0.9).

Step 3

Exam Tip

\(\sqrt{0.49}=0.7\) और \(\frac{1}{\sqrt{25}}=\frac{1}{5}=0.2\) है। योग (0.9) है।

Open Question Page
Ask Friends

कौन सा विकल्प \(\sqrt{0.36}+\sqrt{0.49}\) का मान है?

Which option is the value of \(\sqrt{0.36}+\sqrt{0.49}\)?

Explanation opens after your attempt
Correct Answer

A. (1.3)

Step 1

Concept

\(\sqrt{0.36}=0.6\) and \(\sqrt{0.49}=0.7\). The sum is (1.3), which is rational.

Step 2

Why this answer is correct

The correct answer is A. (1.3). \(\sqrt{0.36}=0.6\) and \(\sqrt{0.49}=0.7\). The sum is (1.3), which is rational.

Step 3

Exam Tip

\(\sqrt{0.36}=0.6\) और \(\sqrt{0.49}=0.7\) है। योग (1.3) है जो परिमेय है।

Open Question Page
Ask Friends

कौन सा विकल्प \(\sqrt{0.64}+\sqrt{0.09}\) का मान है?

Which option is the value of \(\sqrt{0.64}+\sqrt{0.09}\)?

Explanation opens after your attempt
Correct Answer

A. (1.1)

Step 1

Concept

\(\sqrt{0.64}=0.8\) and \(\sqrt{0.09}=0.3\). The sum is (1.1).

Step 2

Why this answer is correct

The correct answer is A. (1.1). \(\sqrt{0.64}=0.8\) and \(\sqrt{0.09}=0.3\). The sum is (1.1).

Step 3

Exam Tip

\(\sqrt{0.64}=0.8\) और \(\sqrt{0.09}=0.3\) है। योग (1.1) है।

Open Question Page
Ask Friends

कौन सा विकल्प \(\sqrt{0.81}\) का मान है?

Which option is the value of \(\sqrt{0.81}\)?

Explanation opens after your attempt
Correct Answer

A. (0.9)

Step 1

Concept

Since \(0.9\times0.9=0.81\), \(\sqrt{0.81}=0.9\). It is a terminating decimal.

Step 2

Why this answer is correct

The correct answer is A. (0.9). Since \(0.9\times0.9=0.81\), \(\sqrt{0.81}=0.9\). It is a terminating decimal.

Step 3

Exam Tip

\(0.9\times0.9=0.81\) इसलिए \(\sqrt{0.81}=0.9\)। यह सांत दशमलव है।

Open Question Page
Ask Friends

कौन सा विकल्प \(\sqrt{0.25}+\sqrt{0.04}\) का मान है?

Which option is the value of \(\sqrt{0.25}+\sqrt{0.04}\)?

Explanation opens after your attempt
Correct Answer

A. (0.7)

Step 1

Concept

\(\sqrt{0.25}=0.5\) and \(\sqrt{0.04}=0.2\). The sum is (0.7), which is rational.

Step 2

Why this answer is correct

The correct answer is A. (0.7). \(\sqrt{0.25}=0.5\) and \(\sqrt{0.04}=0.2\). The sum is (0.7), which is rational.

Step 3

Exam Tip

\(\sqrt{0.25}=0.5\) और \(\sqrt{0.04}=0.2\) है। योग (0.7) है जो परिमेय है।

Open Question Page
Ask Friends

कौन सा विकल्प \(\sqrt{0.16}\) का मान है?

Which option is the value of \(\sqrt{0.16}\)?

Explanation opens after your attempt
Correct Answer

A. (0.4)

Step 1

Concept

Since \(0.4\times0.4=0.16\), \(\sqrt{0.16}=0.4\). This is a rational number.

Step 2

Why this answer is correct

The correct answer is A. (0.4). Since \(0.4\times0.4=0.16\), \(\sqrt{0.16}=0.4\). This is a rational number.

Step 3

Exam Tip

\(0.4\times0.4=0.16\) इसलिए \(\sqrt{0.16}=0.4\)। यह परिमेय संख्या है।

Open Question Page
Ask Friends

\(\sqrt{0.09}\) का मान क्या है?

What is the value of \(\sqrt{0.09}\)?

Explanation opens after your attempt
Correct Answer

A. (0.3)

Step 1

Concept

Since \(0.3\times0.3=0.09\), \(\sqrt{0.09}=0.3\). It is a terminating decimal.

Step 2

Why this answer is correct

The correct answer is A. (0.3). Since \(0.3\times0.3=0.09\), \(\sqrt{0.09}=0.3\). It is a terminating decimal.

Step 3

Exam Tip

\(0.3\times0.3=0.09\) इसलिए \(\sqrt{0.09}=0.3\)। यह सांत दशमलव है।

Open Question Page
Ask Friends

\(\sqrt{0.04}\) का मान किस प्रकार की संख्या है?

What type of number is the value of \(\sqrt{0.04}\)?

Explanation opens after your attempt
Correct Answer

A. परिमेय संख्याRational number

Step 1

Concept

\(\sqrt{0.04}=0.2\) which is a terminating decimal. So it is rational.

Step 2

Why this answer is correct

The correct answer is A. परिमेय संख्या / Rational number. \(\sqrt{0.04}=0.2\) which is a terminating decimal. So it is rational.

Step 3

Exam Tip

\(\sqrt{0.04}=0.2\) है जो सांत दशमलव है। इसलिए यह परिमेय है।

Open Question Page
Ask Friends

कौन सा विकल्प \(\sqrt{0.04}\) का सही प्रकार बताता है?

Which option correctly describes \(\sqrt{0.04}\)?

Explanation opens after your attempt
Correct Answer

B. परिमेय क्योंकि \(\sqrt{0.04}=0.2\)Rational because \(\sqrt{0.04}=0.2\)

Step 1

Concept

\(0.04=\frac{4}{100}\).

Step 2

Why this answer is correct

\(\sqrt{0.04}=\frac{2}{10}=0.2\) which is rational.

Step 3

Exam Tip

Every square root is not irrational. चरण 1: \(0.04=\frac{4}{100}\)। चरण 2: \(\sqrt{0.04}=\frac{2}{10}=0.2\) परिमेय है। चरण 3: हर वर्गमूल अपरिमेय नहीं होता।

Open Question Page
Ask Friends