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Ratio and Proportion

ICSE · Class 6 · Mathematics

Flashcards for Ratio and Proportion — ICSE Class 6 Mathematics. Quick Q&A cards covering key concepts, definitions, and formulas.

107 questions25 flashcards3 concepts

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25 Flashcards
Card 1Simplifying Ratios

Simplify the ratio 48 : 54

Answer

Step 1: Find HCF of 48 and 54 → HCF = 6 Step 2: Divide both terms by 6 → 48 ÷ 6 = 8, 54 ÷ 6 = 9 Answer: 8 : 9…

Card 2Ratios with Different Units

Find the ratio of 5 kg to 800 g

Answer

Step 1: Convert both to same unit → 5 kg = 5000 g Step 2: Ratio = 5000 : 800 Step 3: Simplify by dividing by 200 → 25 : 4 Answer: 25 : 4…

Card 3Application of Ratios

The length of a field is 80 m and width is 60 m. Find the ratio of width to length.

Answer

Width : Length = 60 : 80 Simplify by dividing both by 20 → 3 : 4 Answer: 3 : 4…

Card 4Dividing in a Given Ratio

Divide ₹120 between Hari and Gopi in the ratio 5 : 3. How much does each get?

Answer

Total parts = 5 + 3 = 8 Hari's share = (5/8) × 120 = ₹75 Gopi's share = (3/8) × 120 = ₹45 Answer: Hari = ₹75, Gopi = ₹45…

Card 5Ratio in Geometry

The sides of a triangle are in the ratio 3 : 2 : 4. If the perimeter is 27 cm, find each side.

Answer

Total parts = 3 + 2 + 4 = 9 One part = 27 ÷ 9 = 3 cm Side 1 = 3 × 3 = 9 cm Side 2 = 2 × 3 = 6 cm Side 3 = 4 × 3 = 12 cm Answer: 9 cm, 6 cm, 12 cm…

Card 6Proportion Check

Check if ₹6 : ₹8 and 12 kg : 16 kg form a proportion.

Answer

₹6 : ₹8 = 6/8 = 3/4 12 kg : 16 kg = 12/16 = 3/4 Since both ratios are equal, they form a proportion. Answer: Yes…

Card 7Finding Missing Term in Proportion

The numbers 8, x, 9, and 36 are in proportion. Find x.

Answer

Since they are in proportion: 8 : x = 9 : 36 Cross-multiply: 8 × 36 = 9 × x → 288 = 9x x = 288 ÷ 9 = 32 Answer: x = 32…

Card 8Ratio in Mixtures

The ratio of copper to zinc in an alloy is 9 : 8. If zinc weighs 9.6 kg, find copper weight.

Answer

Let copper = 9x, zinc = 8x Given: 8x = 9.6 → x = 9.6 ÷ 8 = 1.2 Copper = 9 × 1.2 = 10.8 kg Answer: 10.8 kg…

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Frequently Asked Questions

What are the important topics in Ratio and Proportion for ICSE Class 6 Mathematics?
Ratio and Proportion covers several key topics that are frequently asked in ICSE Class 6 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Ratio and Proportion — ICSE Class 6 Mathematics?
Understand the core concepts first, then work through the 107 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many flashcards are available for Ratio and Proportion?
There are 25 flashcards for Ratio and Proportion covering key definitions, formulas, and concepts. Use them daily for 10–15 minutes for best results.

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