Advertisements
Advertisements
Question
8 men can do a piece of work in 9 days. In how many days will 6 men do it?
Advertisements
Solution
\[\text{ It is given that 8 men can complete a job in 9 days } . \]
\[ \therefore \text{ Time taken by 1 man to complete the same job } = \left( 8 \times 9 \right) = 72 \text{ days } \]
\[ \therefore \text{ Time taken by 6 men to complete the same job } = \frac{72}{6} = 12 \text{ days } \]
APPEARS IN
RELATED QUESTIONS
A loaded truck travels 14 km in 25 minutes. If the speed remains the same, how far can it travel in 5 hours?
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.
Two mobiles cost 16,000 rupees. How much money will be required to buy 13 such mobiles?
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 ______.
If x = 5y, then x and y vary ______ with each other.
If x varies directly as y, then
| x | 12 | 6 |
| y | 48 | – |
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?
There are 20 grams of protein in 75 grams of sauted fish. How many grams of protein is in 225 gm of that fish?
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.
