Compound Variation
Trending Questions
One liter of sunflower oil is equal to how many kilograms?
What is Frequency and Bandwidth?
If 14 kg of pules cost Rs. 441, what is the cost of 22 kg of pulses :
(a) Rs. 627 (b) Rs. 649
(c) Rs. 671 (d) Rs. 693
If the list price of a book is reduced by a person can buy more books for Then the original cost of the book is?
John spent hours doing homework. If hours of that time was spent doing math homework, what fraction of his total time spent doing homework did he spend on math?
The diameter of a wheel is How far will it travel in revolutions
Three workers can do a job in . How many more workers are needed to do this job in ?
- 10 m
- 12 m
- 8 m
- 6 m
- 9 men
- 8 men
- 12 men
- 5 men
Find the fourth proportional in .
- 20 days
- 25 days
- 30 days
- 35 days
Pretend you have a job building tricycles. If you had handle bars, wheels, and seats. How many pedals would you need in order to make ? Assume that every tricycle sells for.
Question 60
In questions which of the following vary directly and which vary inversely with each other and which are neither of the two?
(i) The time taken by a train to cover a fixed distance and the speed of the train.
(ii) The disatnce travelled by CNG bus and the amount of CNG used.
(iii) The number of people working and the time to complete a given work.
(iv) Income tax and the income.
(v) Distance travelled by an auto-rickshaw and time taken.
- 3691 : 4499
- 15 : 13
- 2498 : 3051
- 7 : 19
In a sugar solution, - part is sugar. What percentage of solution is sugar?
- 48
- 135
- 24
- 36
- 18 days
- 15 days
- 12 days
- 9 days
its height increases by 0.5 cm. Can the total
height of the plant be represented as a linear function of number of days? If yes, obtain the function.
- No. It will not result in a linear function.
- Yes. The function is h=12d,
where, h is the height in cm, and d is the number of days. - Yes. The equation is h=50+12d, where, h is the height in cm, and d is the number of days.
- It is a relation but not a function.
An elevator says ‘Maximum weight kg’. If people weighing kg, kg, kg, and kg get in, how much more weight can the elevator still hold?
The electrical resistance of a wire varies directly as its length and inversely as the square of its diameter. A wire with a length of 200 inches and a diameter of one-quarter of an inch has a resistance of 20 ohms. Find the electrical resistance in a 500 inch wire with the same diameter.
- 50 ohm
- 60 ohm
- 55 ohm
- None of these
- 120
- 198
- 200
- 150
- 144
- 216
- 169
- 343
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1362351/original_Screenshot_2021-09-30_153721.png)
- Function A
- Function B
- Both
- Can't be determined
A block of mass 250, 000 kg has a volume of 100 cm3. What is the density of the block?
- 5 hours 33 minutes
- 6 hours 33 minutes
- 6 hours 30 minutes
- 5 hours 30 minutes
- 24
- 36
- 20
- 42
- 18
What do you mean by the statement, the density of mercury is 13.6 gm /cm3?