Advertisements
Advertisements
Question
In a hostel of 50 girls, there are food provisions for 40 days. If 30 more girls join the hostel, how long will these provisions last?
Advertisements
Solution
In a hostel of 50 girls, food are available = 40 days
For 1 girl, food provisions = 50 × 40 = 2000 days
Now, for (50 + 30) girls i.e. 80 girls, the food provision = `2000/80`
= `200/8`
= 25 days
The food provisions will last for 25 days, if 30 more girls join.
APPEARS IN
RELATED QUESTIONS
Which of the following are in inverse proportion?
The number of workers on a job and the time to complete the job.
If a box of sweets is divided among 24 children, they will get 5 sweets each. How many would each get, if the number of the children is reduced by 4?
A work force of 50 men with a contractor can finish a piece of work in 5 months. In how many months the same work can be completed by 125 men?
1200 men can finish a stock of food in 35 days. How many more men should join them so that the same stock may last for 25 days?
If x and y vary inversely as other and x = 3 when y = 8, find y when x = 4 .
12 cows can graze a field for 10 days. 20 cows can graze the same field for _______ days
Two quantities are said to vary ______ with each other if an increase in one causes a decrease in the other in such a manner that the product of their corresponding values remains constant.
If a tree 24 m high casts a shadow of 15 m, then the height of a pole that casts a shadow of 6 m under similar conditions is 9.6 m.
If a and b vary inversely to other, then find the values of p, q, r ; x, y, z and l, m, n.
| a | 2 | y | 6 | 10 |
| b | x | 12.5 | 15 | z |
If a and b vary inversely to other, then find the values of p, q, r ; x, y, z and l, m, n.
| a | l | 9 | n | 6 |
| b | 5 | m | 25 | 10 |
