Concept-wise Practice

no-zero MCQ Questions for Class 10

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Practice Questions

8 questions tagged with no-zero.

Question 1/8 Expert Mathematics Chapter 2: Polynomials Geometrical meaning of the zeroes of a polynomial. Class 10 Level 24

स्थिर बहुपद (p(x)=5) के ग्राफ के वास्तविक शून्यक कितने हैं?

How many real zeroes does the constant polynomial (p(x)=5) have?

Explanation opens after your attempt
Correct Answer

A. शून्यZero

Step 1

Concept

The line (y=5) is parallel to the (x)-axis and does not meet it. So it has no real zero.

Step 2

Why this answer is correct

The correct answer is A. शून्य / Zero. The line (y=5) is parallel to the (x)-axis and does not meet it. So it has no real zero.

Step 3

Exam Tip

रेखा (y=5) (x)-अक्ष के समानांतर है और उससे नहीं मिलती। इसलिए कोई वास्तविक शून्यक नहीं है।

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Question 2/8 Expert Mathematics Chapter 2: Polynomials Geometrical meaning of the zeroes of a polynomial. Class 10 Level 24

द्विघात बहुपद (p(x)=x-2+4) के ग्राफ के बारे में कौन सा कथन सही है?

Which statement is correct about the graph of the quadratic polynomial (p(x)=x-2+4)?

Explanation opens after your attempt
Correct Answer

A. यह (x)-अक्ष को नहीं काटताIt does not cut the (x)-axis

Step 1

Concept

\(x^2+4\) is always positive so (y=0) never occurs. Count a zero only when the graph meets the axis.

Step 2

Why this answer is correct

The correct answer is A. यह (x)-अक्ष को नहीं काटता / It does not cut the (x)-axis. \(x^2+4\) is always positive so (y=0) never occurs. Count a zero only when the graph meets the axis.

Step 3

Exam Tip

\(x^2+4\) हमेशा धनात्मक है इसलिए (y=0) नहीं होता। ग्राफ से शून्यक तभी मानें जब अक्ष से मिलन हो।

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Question 3/8 Expert Mathematics Chapter 2: Polynomials Geometrical meaning of the zeroes of a polynomial. Class 10 Level 24

यदि किसी रैखिक बहुपद का ग्राफ (x)-अक्ष के समानांतर है और (x)-अक्ष पर नहीं है तो उसके शून्यक कितने होंगे?

If the graph of a linear polynomial is parallel to the (x)-axis and not on the (x)-axis, how many zeroes will it have?

Explanation opens after your attempt
Correct Answer

A. शून्यZero

Step 1

Concept

Such a line never meets the (x)-axis so it has no zero. First check the intercept from the graph.

Step 2

Why this answer is correct

The correct answer is A. शून्य / Zero. Such a line never meets the (x)-axis so it has no zero. First check the intercept from the graph.

Step 3

Exam Tip

ऐसी रेखा कभी (x)-अक्ष से नहीं मिलती इसलिए कोई शून्यक नहीं होता। ग्राफ से पहले प्रतिच्छेद देखें।

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Question 4/8 Medium Mathematics Chapter 2: Polynomials Geometrical meaning of the zeroes of a polynomial. Class 10 Level 22

किस स्थिति में रैखिक बहुपद का कोई वास्तविक शून्यक नहीं होगा?

In which situation will a linear polynomial have no real zero?

Explanation opens after your attempt
Correct Answer

B. जब उसका ग्राफ (x)-अक्ष के समांतर और ऊपर होWhen its graph is parallel to and above the (x)-axis

Step 1

Concept

A line parallel to and above the (x)-axis does not meet the (x)-axis. Tip: such a graph behaves like a non-zero constant polynomial.

Step 2

Why this answer is correct

The correct answer is B. जब उसका ग्राफ (x)-अक्ष के समांतर और ऊपर हो / When its graph is parallel to and above the (x)-axis. A line parallel to and above the (x)-axis does not meet the (x)-axis. Tip: such a graph behaves like a non-zero constant polynomial.

Step 3

Exam Tip

(x)-अक्ष के समांतर ऊपर रेखा (x)-अक्ष से नहीं मिलती। टिप: ऐसा ग्राफ अशून्य स्थिर बहुपद जैसा होता है।

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Question 5/8 Medium Mathematics Chapter 2: Polynomials Geometrical meaning of the zeroes of a polynomial. Class 10 Level 22

यदि परवलय (x)-अक्ष को नहीं काटता लेकिन (y)-अक्ष को ((0,-2)) पर काटता है, तो वास्तविक शून्यकों की संख्या क्या है?

If a parabola does not cut the (x)-axis but cuts the (y)-axis at ((0,-2)), what is the number of real zeroes?

Explanation opens after your attempt
Correct Answer

A. शून्यZero

Step 1

Concept

A (y)-axis intercept does not give a zero because (p(x)\neq0). Tip: meeting the (x)-axis is necessary for a zero.

Step 2

Why this answer is correct

The correct answer is A. शून्य / Zero. A (y)-axis intercept does not give a zero because (p(x)\neq0). Tip: meeting the (x)-axis is necessary for a zero.

Step 3

Exam Tip

(y)-अक्ष कटान शून्यक नहीं देता, क्योंकि (p(x)=0) नहीं है। टिप: शून्यक के लिए (x)-अक्ष से मिलना जरूरी है।

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Question 6/8 Easy Mathematics Chapter 2: Polynomials Geometrical meaning of the zeroes of a polynomial. Class 10 Level 23

यदि (p(x)=4) है, तो ग्राफ (x)-अक्ष से कैसा संबंध रखेगा?

If (p(x)=4), how is the graph related to the (x)-axis?

Explanation opens after your attempt
Correct Answer

A. यह (x)-अक्ष के समानांतर होगा और उसे नहीं काटेगाIt is parallel to the (x)-axis and does not cut it

Step 1

Concept

In (p(x)=4), (y) is always (4) and never (0). Hence it has no zero.

Step 2

Why this answer is correct

The correct answer is A. यह (x)-अक्ष के समानांतर होगा और उसे नहीं काटेगा / It is parallel to the (x)-axis and does not cut it. In (p(x)=4), (y) is always (4) and never (0). Hence it has no zero.

Step 3

Exam Tip

(p(x)=4) में (y) हमेशा (4) है और कभी (0) नहीं होता। इसलिए इसका कोई शून्यक नहीं है।

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Question 7/8 Easy Mathematics Chapter 2: Polynomials Geometrical meaning of the zeroes of a polynomial. Class 10 Level 23

किसी स्थिर अशून्य बहुपद (p(x)=-3) का ग्राफ (x)-अक्ष को क्यों नहीं काटता?

Why does the graph of the non-zero constant polynomial (p(x)=-3) not cut the (x)-axis?

Explanation opens after your attempt
Correct Answer

A. क्योंकि (y) हमेशा (-3) रहता हैBecause (y) always remains (-3)

Step 1

Concept

For (p(x)=-3), the (y)-value is never (0). So the graph does not cut the (x)-axis and has no zero.

Step 2

Why this answer is correct

The correct answer is A. क्योंकि (y) हमेशा (-3) रहता है / Because (y) always remains (-3). For (p(x)=-3), the (y)-value is never (0). So the graph does not cut the (x)-axis and has no zero.

Step 3

Exam Tip

(p(x)=-3) का (y)-मान कभी (0) नहीं होता। इसलिए ग्राफ (x)-अक्ष को नहीं काटता और कोई शून्यक नहीं है।

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Question 8/8 Easy Mathematics Chapter 2: Polynomials Geometrical meaning of the zeroes of a polynomial. Class 10 Level 22

किसी स्थिर अशून्य बहुपद जैसे (p(x)=5) के ग्राफ से शून्यकों के बारे में क्या पता चलता है?

What does the graph of a non-zero constant polynomial like (p(x)=5) show about its zeroes?

Explanation opens after your attempt
Correct Answer

A. कोई शून्यक नहींNo zero

Step 1

Concept

The graph of (p(x)=5) is a line parallel to the (x)-axis and does not cut it. Hence it has no zero.

Step 2

Why this answer is correct

The correct answer is A. कोई शून्यक नहीं / No zero. The graph of (p(x)=5) is a line parallel to the (x)-axis and does not cut it. Hence it has no zero.

Step 3

Exam Tip

(p(x)=5) का ग्राफ (x)-अक्ष के समानांतर रेखा है जो (x)-अक्ष को नहीं काटती। इसलिए इसका कोई शून्यक नहीं है।

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