Math 10
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3.1 Ratio, Proportions and Variations
3.1 Ratio, Proportions and Variations
3.1(i) Define (a) ratio, (b) proportion and (c) variations (direct and inverse)
(i) Direct Variation
(ii) Inverse Variation
3.1(ii) Find 3rd, 4th, mean and continued proportion:
3.2 Theorems on Proportions
3.3. Joint Variation
3.3. Joint Variation
3.3. (i) Joint variation
3.3.(ii) Problems related to joint variation.
3.4. K-method
3.4. K-method
3.4(ii) Real life problems based on variation
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