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Important Questions

Ratio and Proportion

ICSE · Class 7 · Mathematics

Most important questions from Ratio and Proportion for ICSE Class 7 Mathematics board exam 2026. MCQs, short answer, and long answer questions with marks.

52 questions24 flashcards5 concepts

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52 Questions·
multiple choicetrue falsemultiple correct

Sample Questions

1multiple choice
3 marks

A certain quantity of wheat is divided into two parts in the ratio 5:8. If the second part is 112 kg, what is the total quantity of wheat?

Show answer

182 kg

If 8 parts = 112 kg, then 1 part = 112 ÷ 8 = 14 kg. The first part is 5 × 14 = 70 kg. Total quantity = 70 + 112 = 182 kg.

2multiple choice
3 marks

If A:B = 3:5 and B:C = 4:7, what is A:B:C?

Show answer

12:20:35

Make B the same in both ratios. Multiply 3:5 by 4 to get 12:20. Multiply 4:7 by 5 to get 20:35. So A:B:C = 12:20:35.

3multiple choice
3 marks

Find the mean proportional between 16 and 4.

Show answer

8

If b is the mean proportional between a and c, then b^2 = ac. Here a = 16 and c = 4. So b^2 = 16 × 4 = 64, hence b = 8.

4multiple choice
3 marks

Find the third proportional to 12 and 30.

Show answer

75

For third proportional, 12:30 = 30:x. Using cross multiplication, 12x = 30 × 30 = 900. So x = 900 ÷ 12 = 75.

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Frequently Asked Questions

What are the important topics in Ratio and Proportion for ICSE Class 7 Mathematics?
Ratio and Proportion covers several key topics that are frequently asked in ICSE Class 7 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 7 Mathematics?
Understand the core concepts first, then work through the 52 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many important questions are there in Ratio and Proportion?
There are 52 practice questions available for Ratio and Proportion. These cover multiple question types including MCQs, short answer, and long answer questions.

Sources & Official References

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

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