Advertisements
Advertisements
प्रश्न
It is given that l varies directly as m. Find m when l is 8.
Advertisements
उत्तर
Since, l varies directly as m.
If `l = 8`
∴ `l/m = k`
⇒ `8/m = 1/3` ...`[∵ k = 1/3]`
⇒ m = 8 × 3 = 24
APPEARS IN
संबंधित प्रश्न
A mixture of paint is prepared by mixing 1 part of red pigments with 8 parts of base. In the following table, find the parts of the base that need to be added.
| Parts of red pigment | 1 | 4 | 7 | 12 | 20 |
| parts of base | 8 | .... | .... | .... | .... |
Rohit bought 12 registers for Rs 156, find the cost of 7 such registers.
11 men can dig \[6\frac{3}{4}\] metre long trench in one day. How many men should be employed for digging 27 metre long trench of the same type in one day?
If 600 rupees buy 15 bunches of feed, how many will 1280 rupees buy?
If the cost of 8 apples is ₹ 56 then the cost of 12 apples is _______
When the speed remains constant, the distance travelled is ______ proportional to the time.
The area of cultivated land and the crop harvested is a case of direct proportion.
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
Income tax and the income.
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.
If 25 metres of cloth costs Rs 337.50, then what will be the cost of 40 metres of the same type of cloth?
