Advertisements
Advertisements
प्रश्न
8 men can do a piece of work in 9 days. In how many days will 6 men do it?
Advertisements
उत्तर
\[\text{ It is given that 8 men can complete a job in 9 days } . \]
\[ \therefore \text{ Time taken by 1 man to complete the same job } = \left( 8 \times 9 \right) = 72 \text{ days } \]
\[ \therefore \text{ Time taken by 6 men to complete the same job } = \frac{72}{6} = 12 \text{ days } \]
संबंधित प्रश्न
Fill in the blank in of the following so as to make the statement true:
x and y are said to vary directly with each other if for some positive number k ....,...... = k.
Complite the following table given that x varies directly as y .
| x | 5 | ... | 10 | 35 | 25 | ... |
| y | 8 | 12 | ... | ... | ... | 32 |
Anil can do a piece of work in 5 days and Ankur in 4 days. How long will they take to do the same work, if they work together?
Meenakshee cycles to her school at an average speed of 12 km/h and takes 20 minutes to reach her school. If she wants to reach her school in 12 minutes, her average speed should be ______.
100 persons had food provision for 24 days. If 20 persons left the place, the provision will last for ______.
If the distance travelled by a rickshaw in one hour is 10 km, then the distance travelled by the same rickshaw with the same speed in one minute is ______.
The number of workers and the time to complete a job is a case of direct proportion.
l varies directly as m and l is equal to 5, when `m = 2/3`. Find l when `m = 16/3`.
A water tank casts a shadow 21 m long. A tree of height 9.5 m casts a shadow 8 m long at the same time. The lengths of the shadows are directly proportional to their heights. Find the height of the tank.
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?
