Concept-wise Practice

large square MCQ Questions for Class 9

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

Practice Questions

8 questions tagged with large square.

भुजा (2a+3) वाले वर्ग में बड़े वर्गाकार भाग का क्षेत्रफल क्या होगा?

In a square with side (2a+3), what will be the area of the large square part?

Explanation opens after your attempt
Correct Answer

B. \(4a^2\)

Step 1

Concept

The large square part has side (2a), so its area is \(4a^2\). Exam tip: square the whole term (2a).

Step 2

Why this answer is correct

The correct answer is B. \(4a^2\). The large square part has side (2a), so its area is \(4a^2\). Exam tip: square the whole term (2a).

Step 3

Exam Tip

बड़े वर्गाकार भाग की भुजा (2a) है इसलिए क्षेत्रफल \(4a^2\) है। परीक्षा में पूरे पद (2a) का वर्ग करें।

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यदि \(15^2\) को ((10+5)2) से देखें तो बड़े वर्ग का क्षेत्रफल क्या होगा?

If \(15^2\) is seen as ((10+5)2), what is the area of the large square?

Explanation opens after your attempt
Correct Answer

C. (100)

Step 1

Concept

The large square has side (10), so its area is \(10^2=100\). Exam tip: identify large and small squares separately.

Step 2

Why this answer is correct

The correct answer is C. (100). The large square has side (10), so its area is \(10^2=100\). Exam tip: identify large and small squares separately.

Step 3

Exam Tip

बड़े वर्ग की भुजा (10) है इसलिए उसका क्षेत्रफल \(10^2=100\) है। परीक्षा में बड़े और छोटे वर्ग अलग पहचानें।

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एक (x) by (x) वर्ग के साथ चार (x) by (2) पट्टियां और चार (2) by (2) छोटे वर्ग मिलाकर एक बड़ा वर्ग बनता है। बड़े वर्ग की भुजा क्या होगी?

A square (x) by (x), four strips (x) by (2), and four small squares (2) by (2) form one larger square. What is the side of the larger square?

Explanation opens after your attempt
Correct Answer

B. (x+4)

Step 1

Concept

The four small width parts show an increase of (4) along each side. Exam tip: observe the total added width on the edge.

Step 2

Why this answer is correct

The correct answer is B. (x+4). The four small width parts show an increase of (4) along each side. Exam tip: observe the total added width on the edge.

Step 3

Exam Tip

चार छोटी (2) इकाई चौड़ाइयां मिलकर हर दिशा में (4) की वृद्धि दिखाती हैं। परीक्षा में किनारे पर लगी कुल चौड़ाई देखें।

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किस दृश्य मॉडल में चारों कोनों को जोड़कर एक बड़ा वर्ग बनता है जिसकी भुजा \(a+b\) होती है?

In which visual model do the parts combine to form a larger square with side \(a+b\)?

Explanation opens after your attempt
Correct Answer

B. \((a+b)^2\) का मॉडलModel of \((a+b)^2\)

Step 1

Concept

In \((a+b)^2\), all parts form a large square without gaps. Exam tip: read the outer side first.

Step 2

Why this answer is correct

The correct answer is B. \((a+b)^2\) का मॉडल / Model of \((a+b)^2\). In \((a+b)^2\), all parts form a large square without gaps. Exam tip: read the outer side first.

Step 3

Exam Tip

\((a+b)^2\) में सभी भाग बिना खाली जगह के बड़ा वर्ग बनाते हैं। परीक्षा में बाहरी भुजा को पहले पढ़ें।

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\(998^2\) का सही मान क्या है?

What is the correct value of \(998^2\)?

Explanation opens after your attempt
Correct Answer

A. (996004)सही मान

Step 1

Concept

\(998^2=1000000-4000+4=996004\). Exam tip: subtract \(2\cdot1000\cdot2\).

Step 2

Why this answer is correct

The correct answer is A. (996004) / सही मान. \(998^2=1000000-4000+4=996004\). Exam tip: subtract \(2\cdot1000\cdot2\).

Step 3

Exam Tip

\(998^2=1000000-4000+4=996004\) है। परीक्षा में \(2\cdot1000\cdot2\) घटाएँ।

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\( 998^2 \) का मान ( (1000-2)2 ) से क्या होगा?

What is the value of \( 998^2 \) using ( (1000-2)2 )?

Explanation opens after your attempt
Correct Answer

A. (996004)

Step 1

Concept

( (1000-2)2=1000000-4000+4=996004 ). Exam tip: keep the subtracted middle term correct.

Step 2

Why this answer is correct

The correct answer is A. (996004). ( (1000-2)2=1000000-4000+4=996004 ). Exam tip: keep the subtracted middle term correct.

Step 3

Exam Tip

( (1000-2)2=1000000-4000+4=996004 ) है। परीक्षा में घटने वाले मध्य पद को सही रखें।

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\( 997^2 \) का मान क्या है?

What is the value of \( 997^2 \)?

Explanation opens after your attempt
Correct Answer

A. (994009)सही मान

Step 1

Concept

\(997^2=1000000-6000+9=994009\). Exam tip: subtract \(2\cdot1000\cdot3\).

Step 2

Why this answer is correct

The correct answer is A. (994009) / सही मान. \(997^2=1000000-6000+9=994009\). Exam tip: subtract \(2\cdot1000\cdot3\).

Step 3

Exam Tip

\(997^2=1000000-6000+9=994009\) है। परीक्षा में \(2\cdot1000\cdot3\) घटाएँ।

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\( 1002^2 \) निकालने के लिए (1002) को किस रूप में लिखना अच्छा है?

To calculate \(1002^2\), how is it good to write (1002)?

Explanation opens after your attempt
Correct Answer

C. (1000+2)

Step 1

Concept

(1002=1000+2), so ( (a+b)2 ) becomes easy. Exam tip: choose a nearby round number.

Step 2

Why this answer is correct

The correct answer is C. (1000+2). (1002=1000+2), so ( (a+b)2 ) becomes easy. Exam tip: choose a nearby round number.

Step 3

Exam Tip

(1002=1000+2) है, इसलिए ( (a+b)2 ) आसान बनेगा। परीक्षा में पास की गोल संख्या चुनें।

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