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numerical_value MCQ Questions for Class 9

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

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2 questions tagged with numerical_value.

Question 1/2 Hard Mathematics Exploring Algebraic Identities Algebraic identities Class 9 Level 64

( (a+b+c)2 ) में यदि (a+b+c=10) हो तो पूरा मान कितना होगा?

If (a+b+c=10), what is the complete value of ( (a+b+c)2 )?

Explanation opens after your attempt
Correct Answer

C. (100)

Step 1

Concept

If the whole sum is (10), its square is (100). Exam tip: directly square the given sum.

Step 2

Why this answer is correct

The correct answer is C. (100). If the whole sum is (10), its square is (100). Exam tip: directly square the given sum.

Step 3

Exam Tip

यदि पूरा योग (10) है तो उसका वर्ग (100) होगा। परीक्षा में दिए गए योग का सीधे वर्ग लें।

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Question 2/2 Expert Mathematics Number Systems Square root spiral Class 9 Level 21

यदि \(\sqrt{121}\) सर्पिल में बना है, तो यह वास्तविक लंबाई में कितनी इकाई है?

If \(\sqrt{121}\) is formed in the spiral, how many units is it in actual length?

Explanation opens after your attempt
Correct Answer

B. (11)

Step 1

Concept

\(\sqrt{121}=11\), because \(11^2=121\). Identifying perfect squares saves time.

Step 2

Why this answer is correct

The correct answer is B. (11). \(\sqrt{121}=11\), because \(11^2=121\). Identifying perfect squares saves time.

Step 3

Exam Tip

\(\sqrt{121}=11\), क्योंकि \(11^2=121\)। पूर्ण वर्ग पहचानना समय बचाता है।

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