Advertisements
Advertisements
Question
Rakesh can do a piece of work in 20 days. How much work can he do in 4 days?
Advertisements
Solution
\[ \text{ It is given that Rakesh can do a piece of work in 20 days } . \]
\[ \therefore \text{ Rakesh's 1 day's work } = \frac{1}{20}\]
\[ \therefore \text{ Rakesh's workfor 4 days } = \frac{4}{20} = \frac{1}{5}\]
\[ \text{ Thus, he can do } \frac{1}{5}\text{ th of the work in 4 days } . \]
APPEARS IN
RELATED QUESTIONS
Complite the following table given that x varies directly as y .
| x | 3 | 5 | 7 | 9 |
| y | ... | 20 | 28 | ... |
A worker is paid Rs 210 for 6 days work. If his total income of the month is Rs 875, for how many days did he work?
A can do a piece of work in 40 days and B in 45 days. They work together for 10 days and then B goes away. In how many days will A finish the remaining work?
Two mobiles cost 16,000 rupees. How much money will be required to buy 13 such mobiles?
Expenditure of a family to number of members of the family are in direct proportion
Both u and v vary directly with each other. When u is 10, v is 15, which of the following is not a possible pair of corresponding values of u and v?
An auto rickshaw takes 3 hours to cover a distance of 36 km. If its speed is increased by 4 km/h, the time taken by it to cover the same distance is ______.
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.
Number of students in a hostel and consumption of food.
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
The quantity of rice and its cost.
