Advertisements
Advertisements
प्रश्न
If 7 kg onions cost 140 rupees, how much must we pay for 12 kg onions?
Advertisements
उत्तर
The cost of 7 kg of onions is 140 rupees. Therefore, the cost per kg is:
Cost per kg = `140/7`
= ₹ 20
The cost for 12 kg of onions is:
Cost for 12 kg = 20 × 12
= ₹ 240
The cost for 12 kg of onions is 240 rupees.
संबंधित प्रश्न
Suppose 2 kg of sugar contains 9 × 106 crystals.
How many sugar crystals are there in
- 5 kg of sugar?
- 1.2 kg of sugar?
A loaded truck travels 14 km in 25 minutes. If the speed remains the same, how far can it travel in 5 hours?
Complite the following table given that x varies directly as y .
| x | 4 | 9 | ... | ... | 3 | ... |
| y | 16 | ... | 48 | 36 | ... | 4 |
The amount of extension in an elastic string varies directly as the weight hung on it. If a weight of 150 gm produces an extension of 2.9 cm, then what weight would produce an extension of 17.4 cm?
Mohan takes 9 hours to mow a large lawn. He and Sohan together can mow it in 4 hours. How long will Sohan take to mow the lawn if he works alone?
If two quantities x and y vary directly with each other, then ______
On increasing a, b increases in such a manner that `a/b` remains ______ and positive, then a and b are said to vary directly with each other.
When two quantities are related in such a manner that, if one increases, the other also increases, then they always vary directly.
From the following table, determine if x and y are in direct proportion or not.
| x | 1 | 4 | 9 | 20 |
| y | 1.5 | 6 | 13.5 | 30 |
A recipe for a particular type of muffins requires 1 cup of milk and 1.5 cups of chocolates. Riya has 7.5 cups of chocolates. If she is using the recipe as a guide, how many cups of milk will she need to prepare muffins?
