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Proportional Reasoning-1 — Flashcards

CBSE · Class 8 · Mathematics

60 flashcards for Proportional Reasoning-1 (CBSE Class 8 Mathematics) to test yourself on key terms and facts.

55 questions60 flashcards18 formulas & key relations5 concepts

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60 Flashcards·
Proportional reasoningआनुपातिक तर्कअनुपातRatiosछवि अनुपातImage ratios
Card 1Proportional reasoning

What does proportional reasoning mean?

Answer

Proportional reasoning is the method of comparing two ratios to see whether they change in the same way. If two ratios are proportional, their simplest forms are the same. It is useful for solving pro…

Card 2आनुपातिक तर्क

आनुपातिक तर्क का क्या अर्थ है?

Answer

आनुपातिक तर्क दो अनुपातों की तुलना करने की विधि है कि क्या वे एक ही तरह से बदलते हैं। यदि दो अनुपात आनुपातिक हैं, तो उनके सरलतम रूप समान हैं। यह पैमाइश करने वाले व्यंजनों, छवियों और अन्य मात्राओं जैसे…

Card 3अनुपात

अनुपात क्या होता है?

Answer

अनुपात एक ही प्रकार की दो मात्राओं की तुलना करता है। अनुपात a:b में, पहली मात्रा की प्रत्येक a इकाई के लिए, दूसरी मात्रा की b इकाइयाँ होती हैं। उदाहरण: चित्र A की चौड़ाई और ऊँचाई का अनुपात 60:40 है।…

Card 4Ratios

What is a ratio?

Answer

A ratio compares two quantities of the same kind. In a ratio a:b, for every a units of the first quantity, there are b units of the second quantity. Example: the ratio of width to height of image A is…

Card 5Ratios

What are the terms of a ratio?

Answer

The numbers in a ratio are called its terms. In the ratio 60:40, the terms are 60 and 40. The order matters because 60:40 is not the same as 40:60.

Card 6अनुपात

अनुपात के पद क्या हैं?

Answer

किसी अनुपात में जो संख्याएँ होती हैं उन्हें उस अनुपात के पद कहते हैं। 60:40 के अनुपात में पद 60 और 40 हैं। क्रम मायने रखता है क्योंकि 60:40, 40:60 के समान नहीं है।…

Card 7छवि अनुपात

चौड़ाई और ऊँचाई द्वारा चित्र ए का वर्णन कैसे किया जाता है?

Answer

चित्र A की चौड़ाई और ऊँचाई का अनुपात 60:40 है। इसका मतलब है कि प्रत्येक 60 इकाई चौड़ाई के लिए 40 इकाई ऊँचाई है। इसका सरलतम रूप 3:2 है।…

Card 8Image ratios

How is image A described by width and height?

Answer

The width to height ratio of image A is 60:40. This means that for every 60 units of width, there are 40 units of height. Its simplest form is 3:2.

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Frequently Asked Questions

What are the important topics in Proportional Reasoning-1 for CBSE Class 8 Mathematics?
Key topics in Proportional Reasoning-1 include Ratios and Similar Images, Checking Whether Ratios Are Proportional, Cross Multiplication and Unknown Terms, Rule of Three and Āryabhaṭa. Study these first, then practise questions on each for Class 8 exams.
How many flashcards are available for Proportional Reasoning-1?
There are 60 flashcards for Proportional Reasoning-1 covering key definitions, facts and ideas. A few sample cards are shown on this page.
How should I revise Proportional Reasoning-1 for Class 8 exams?
Learn the core ideas first, then work through the 55 practice questions on Proportional Reasoning-1. Revise definitions regularly and use flashcards for quick recall before the exam.

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