भुजा (2a+b) वाले वर्ग का दृश्य मॉडल बनाया गया। दो समान आयतों का कुल क्षेत्रफल क्या होगा?

A visual model is made for a square of side (2a+b). What will be the combined area of the two equal rectangles?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (4ab)

Step 1

Concept

Each rectangle is (2a) by (b), so the total is (4ab). Exam tip: handle the changed side (2a) carefully.

Step 2

Why this answer is correct

The correct answer is B. (4ab). Each rectangle is (2a) by (b), so the total is (4ab). Exam tip: handle the changed side (2a) carefully.

Step 3

Exam Tip

प्रत्येक आयत (2a) by (b) है इसलिए कुल (4ab) होगा। परीक्षा में बदली हुई भुजा (2a) को ध्यान से लें।

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Mathematics Answer, Explanation and Revision Hints

भुजा (2a+b) वाले वर्ग का दृश्य मॉडल बनाया गया। दो समान आयतों का कुल क्षेत्रफल क्या होगा? / A visual model is made for a square of side (2a+b). What will be the combined area of the two equal rectangles?

Correct Answer: B. (4ab). Explanation: प्रत्येक आयत (2a) by (b) है इसलिए कुल (4ab) होगा। परीक्षा में बदली हुई भुजा (2a) को ध्यान से लें। / Each rectangle is (2a) by (b), so the total is (4ab). Exam tip: handle the changed side (2a) carefully.

Which concept should I revise for this Mathematics MCQ?

Each rectangle is (2a) by (b), so the total is (4ab). Exam tip: handle the changed side (2a) carefully.

What exam hint can help solve this Mathematics question?

प्रत्येक आयत (2a) by (b) है इसलिए कुल (4ab) होगा। परीक्षा में बदली हुई भुजा (2a) को ध्यान से लें।