ICSE Class 7 - Proportion Videos
Proportions
Meaning of proportions and their uses, problems based on proportion
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Ratio
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Proportions
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Unitary Method
- find the mean proportional of 10,40
- how to find third proportional
- find the 4th proportion of 0.6:1.5::3 x
- find fourth proportinal of 3/2, 7/3, 13/4kg
- What is unitary method
- Find the fourth proportional for: 1/3,2/5,6
- Ajit and kunal paid 5/7 and 2/7 of total cost of a book of comics.If the book cost ?84,how much did each of them spend?
- A car covers a certain distance in 4 hours if it is travelling at a speed of 60km/hr . Howmuch time would it have taken if it were travelling 20km/hr faster ?
