Advertisements
Advertisements
प्रश्न
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
उत्तर
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
संबंधित प्रश्न
Which of the following are in inverse proportion?
The time taken for a fixed journey and the speed of the vehicle.
In a Television game show, the prize money of Rs 1,00,000 is to be divided equally amongst the winners. Complete the following table and find whether the prize money given to an individual winner is directly or inversely proportional to the number of winners?
| Number of winners | 1 | 2 | 4 | 5 | 8 | 10 | 20 |
| Prize for each winner (in Rs) | 1,00,000 | 50,000 | ... | ... | ... | ... | ... |
A factory required 42 machines to produce a given number of articles in 63 days. How many machines would be required to produce the same number of articles in 54 days?
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?
Raghu has enough money to buy 75 machines worth Rs 200 each. How many machines can he buy if he gets a discount of Rs 50 on each machine?
6 pipes are required to fill a tank in 1 hour 20 minutes. How long will it take if only 5 pipes of the same type are used?
A farmer has enough food for 144 ducks for 28 days. If he sells 32 ducks how long will the food last?
When two quantities x and y are in ______ proportion or vary ______ they are written as `x oo 1/y`.
If x varies inversely as y and y = 60 when x = 1.5. Find x. when y = 4.5.
