Advertisements
Advertisements
प्रश्न
Rakesh can do a piece of work in 20 days. How much work can he do in 4 days?
Advertisements
उत्तर
\[ \text{ It is given that Rakesh can do a piece of work in 20 days } . \]
\[ \therefore \text{ Rakesh's 1 day's work } = \frac{1}{20}\]
\[ \therefore \text{ Rakesh's workfor 4 days } = \frac{4}{20} = \frac{1}{5}\]
\[ \text{ Thus, he can do } \frac{1}{5}\text{ th of the work in 4 days } . \]
APPEARS IN
संबंधित प्रश्न
In Question 2 above, if 1 part of a red pigment requires 75 mL of base, how much red pigment should we mix with 1800 mL of base?
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.
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?
If 9 girls can prepare 135 garlands in 3 hours, how many girls are needed to prepare 270 garlands in 1 hour?
A postman can sort out 738 letters in 6 hours. How many letters can be sorted in 9 hours?
Two quantities are said to vary ______ with each other if they increase (decrease) together in such a manner that the ratio of their corresponding values remains constant.
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
Sales Tax and the amount of the bill.
A car covers a distance in 40 minutes with an average speed of 60 km/h. What should be the average speed to cover the same distance in 25 minutes?
From the following table, determine if x and y are in direct proportion or not.
| x | 4 | 7 | 10 | 16 |
| y | 24 | 42 | 60 | 96 |
The following table shows the distance travelled by one of the new eco-friendly energy-efficient cars travelled on gas.
| Litres of gas | 1 | 0.5 | 2 | 2.5 | 3 | 5 |
| Distance (km) | 15 | 7.5 | 30 | 37.5 | 45 | 75 |
Which type of properties are indicated by the table? How much distance will be covered by the car in 8 litres of gas?
