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numerical square MCQ Questions for Class 9

numerical square 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 square.

Question 1/2 Medium Mathematics Exploring Algebraic Identities Visual models of identities Class 9 Level 65

किस मॉडल से ((50+2)2) का मान बिना लंबी गुणा के मिल सकता है?

Which model can give the value of ((50+2)2) without long multiplication?

Explanation opens after your attempt
Correct Answer

A. \(50^2+2\cdot50\cdot2+2^2\)square area model

Step 1

Concept

In the sum square model, two rectangular strips and a small square are added. In exams add area parts for quick calculation.

Step 2

Why this answer is correct

The correct answer is A. \(50^2+2\cdot50\cdot2+2^2\) / square area model. In the sum square model, two rectangular strips and a small square are added. In exams add area parts for quick calculation.

Step 3

Exam Tip

योग वर्ग मॉडल में दो आयताकार पट्टियां और छोटा वर्ग जुड़ते हैं। परीक्षा में तेज गणना के लिए क्षेत्रफल भागों को जोड़ें।

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Question 2/2 Easy Mathematics Exploring Algebraic Identities Algebraic identities Class 9 Level 65

( (10-2)2 ) का मान कौन-सा है?

What is the value of ( (10-2)2 )?

Explanation opens after your attempt
Correct Answer

C. (64)

Step 1

Concept

( (10-2)2=82=64 ). Exam tip: first find the value inside the bracket.

Step 2

Why this answer is correct

The correct answer is C. (64). ( (10-2)2=82=64 ). Exam tip: first find the value inside the bracket.

Step 3

Exam Tip

( (10-2)2=82=64 ) होता है। परीक्षा में पहले कोष्ठक का मान निकालें।

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