Advertisements
Advertisements
प्रश्न
In which of the following table x and y vary inversely:
| x | 4 | 3 | 6 | 1 |
| y | 9 | 12 | 8 | 36 |
Advertisements
उत्तर
\[ \text{ If x and y vary inversely, the product xy should be constant } . \]
\[\text{ Here, in one case, product = 6 } \times 8 = 48 \text{ and in the rest, product } = 36\]
\[\text{ Thus, in this case, x and y do not vary inversely .} \]
संबंधित प्रश्न
Which of the following are in inverse proportion?
Area of cultivated land and the crop harvested
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 work-force of 420 men with a contractor can finish a certain piece of work in 9 months. How many extra men must he employ to complete the job in 7 months?
18 men can reap a field in 35 days. For reaping the same field in 15 days, how many men are required?
16 taps can fill a petrol tank in 18 minutes. The time taken for 9 taps to fill the same tank will be _________ minutes
12 cows can graze a field for 10 days. 20 cows can graze the same field for _______ days
In case of inverse proportion, `a_2/- = b_2/-`
If x varies inversely as y and when x = 6, y = 8, then for x = 8 the value of y is 10.
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
The time taken by a train to cover a fixed distance and the speed of the train.
If x varies inversely as y and y = 60 when x = 1.5. Find x. when y = 4.5.
