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Chapter 3 of 14
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Power Play — Flashcards

CBSE · Class 8 · Mathematics

72 flashcards for Power Play (CBSE Class 8 Mathematics) to test yourself on key terms and facts. Sample: "प्रत्येक मोड़ के बाद कागज़ की मोटाई का क्या"

66 questions72 flashcards22 formulas & key relations5 concepts

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72 Flashcards·
चरघातांकी वृद्धिExponential growthघात और घातांकPowers and exponents
Card 1चरघातांकी वृद्धि

प्रत्येक मोड़ के बाद कागज़ की मोटाई का क्या होता है?

Answer

हर मोड़ के बाद मोटाई दोगुनी हो जाती है। यह गुणक वृद्धि है, जिसे घातीय वृद्धि भी कहा जाता है। अगर कागज़ 0.001 cm से शुरू होता है, तो 1 मोड़ के बाद यह 0.002 cm हो जाता है, 2 मोड़ के बाद 0.004 cm और 3 मो…

Card 2Exponential growth

What happens to the thickness of a sheet of paper after each fold?

Answer

The thickness doubles after every fold. This is multiplicative growth, also called exponential growth. If the paper starts at 0.001 cm, then after 1 fold it becomes 0.002 cm, after 2 folds 0.004 cm, a…

Card 3Exponential growth

Why is paper folding an example of exponential growth?

Answer

Because each fold multiplies the thickness by 2. The growth is not by a fixed amount; it keeps doubling. That is why it is multiplicative growth, not additive growth.

Card 4चरघातांकी वृद्धि

कागज को मोड़ना घातीय वृद्धि का उदाहरण क्यों है?

Answer

क्योंकि प्रत्येक परत मोटाई को 2 से गुणा करती है। वृद्धि एक निश्चित राशि से नहीं होती है; यह दोगुनी होती रहती है। यही कारण है कि यह गुणात्मक वृद्धि है, न कि योगात्मक वृद्धि।…

Card 5घात और घातांक

किसी भी 3 परतों के बाद, मोटाई कितनी गुना बढ़ जाती है?

Answer

किसी भी 3 परतों के बाद, मोटाई 8 गुना बढ़ जाती है। ऐसा इसलिए है क्योंकि 2 × 2 × 2 = 8, इसलिए 2^3 = 8।…

Card 6Powers and exponents

After any 3 folds, by how many times does the thickness increase?

Answer

After any 3 folds, the thickness increases 8 times. This is because 2 × 2 × 2 = 8, so 2^3 = 8.

Card 7Powers and exponents

After any 10 folds, by how many times does the thickness increase?

Answer

After any 10 folds, the thickness increases 1024 times. This is because 2^10 = 1024.

Card 8घात और घातांक

किसी भी 10 परतों के बाद, मोटाई कितनी गुना बढ़ जाती है?

Answer

किसी भी 10 परतों के बाद, मोटाई 1024 गुना बढ़ जाती है। ऐसा इसलिए है क्योंकि 2^10 = 1024 है।…

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Frequently Asked Questions

What are the important topics in Power Play for CBSE Class 8 Mathematics?
Key topics in Power Play include Exponential Notation and Repeated Multiplication, Combinations and Counting Possibilities, Division of Powers, Zero Exponent, and Negative Exponents, Powers of 10 and Expanded Form. Study these first, then practise questions on each for Class 8 exams.
How many flashcards are available for Power Play?
There are 72 flashcards for Power Play covering key definitions, facts and ideas. A few sample cards are shown on this page.
How should I revise Power Play for Class 8 exams?
Learn the core ideas first, then work through the 66 practice questions on Power Play. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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