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प्रश्न
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
Area of the walls of a room and the cost of white washing the walls.
उत्तर
Area of the walls of a room and the cost of whitewashing the walls are directly proportional to each other.
E.g. Let Rs 1000 required for whitewashing a room with (12 × 8) m size.
Then, Rs 2000 is required to whitewashing a room with (12 × 16) m size.
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संबंधित प्रश्न
Following are the car parking charges near a railway station upto
| 4 hours | ₹60 |
| 8 hours | ₹100 |
| 12 hours | ₹140 |
| 24 hours | ₹180 |
Check if the parking charges are in direct proportion to the parking time.
Fill in the blank in of the following so as to make the statement true:
Two quantities are said to vary......... with each other if they increase (decrease) together in such a way that the ratio of the corresponding values remains same.
Complite the following table given that x varies directly as y .
| x | 2.5 | ... | ... | 15 |
| y | 5 | 8 | 12 | ... |
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