CBSE Class 8: Direct Proportion Videos | Direct Proportions
Direct Proportions
Meaning of direct proportions, condition when two quantities vary directly, determining one of two unknown quantities which vary directly
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Direct Proportions
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Inverse Proportions
- 3 examples of direct veriation
- 441:343:_______:125
- kase pata chali gaa Kon lnverse or directly hai
- Complete the following table if x and y vary directly. x 2.5 b 1.2 1 y c 55 a 40
- Quantities u and v vary directly and when u = 12 and v = 16. Which of the following is not a possible pair of corresponding values of u and v? (i) 6 and 8 (ii) 15 and 20 (iii) 18 and 22.
- A car covers a distance of 60 km in 30 minutes. How long will it take to cover a distance of 240 km?
- The perimeter of a square is given by p = 4s where p is perimeter and s denotes the side of square. Does the quantity p and s vary directly? If yes make the table for s = 3 units, 5 units and 7 units.
- An agent receives a commission of Rs 45 on sales of Rs 1500. How much commission will he get on sale of Rs 1000?
- If the weight of 5 sheets of paper is 20 grams, how many sheets of the same paper would weigh 1 kg?
- In the following table, find the value of a and b if the quantities x and y are in direct variation. x 9 12 b y 27 a 75