Inverse Variation
Trending Questions
X and Y can do a piece of work in 72 days. Y and Z can do it in 120 days. X and Z can do it in 90 days. How many days does it take if all the three can work together?
150 days
80 days
60 days
100 days
A water tank can be filled in by equal-sized pumps working together. How much time will pumps take to fill it up?
A and B undertake to do a piece of work for Rs. 200. A alone can do it in 6 days and B in 8 days. With the help of C they finish it in 3 days. How much is paid to C?
Rs.25
Rs. 30
Rs. 29
Rs. 37
If an SUV can transport 7 people, car can transport 5, jeep can transport 8 and auto can transport 2 people, which of the following combination can be used to exactly transport 25 people?
300US dollars
222 US dollars
180 US dollars
105 US dollars
2
1
4
6
Ram has to reach office in 2 hours. He travels 2 hours at a speed of 80 kmph to reach office on time. Now, he is already late by 1 hour 5 minutes. Calculate the speed with which he has to travel, to reach office on time.
140 kmph
120 kmph
150 kmph
175 kmph
5 pens and 6 pencils together cost Rs.9 and 3 pens and 2 pencils cost Rs.5. Find the cost of 1 pen and 1 pencil.
175 men can dig a canal 3150 m long in 36 days. How many men are required to dig a canal 3900 m long in 24 days?
256
225
325
384
A can do 12 of a work in 5 days. B can do 35 of the same work in 9 days and C can do 23 of that work in 8 days. In how many days can three of them together do the work?
5 days
412 days
3 days
4 days
Quantity(In Kg)/Price12345Gummy bear20406080100Candies306090120150Chocolates50100150200250
According to the information given what is the total price of 6 kg of all the items?
550
600
500
650
If x ∝ 1/y then :
x = 1/y
y = 1/x
xy = 1
xy = non-zero constant
A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The total time taken for the work to be completed was
12 days
10 days
15 days
8 days
Fill in the blank.
Price100755025Number6080240
120
400
350
450
Three people A, B and C can do a job alone in 10 days, 12 days and 15 days respectively. In how many days they can finish the job working together?
4 days
72 days
6 days
213 days
40 people take 10 days to dig a well. Using the theory of variation , how many extra people will be required to dig the well in 8 days.
8
9
10
12
If x ∝ 1/y then x/y is the non zero constant
True
False
5 books and 7 pens together cost Rs.79 whereas 7 books and 5 pens together cost Rs.77.Find the total cost of 1 book and 2 pens.
A and B undertake to do a piece of work for Rs. 200. A alone can do it in 6 days and B in 8 days. With the help of C they finish it in 3 days. How much is paid to C?
Rs.25
Rs. 30
Rs. 37
Rs. 29
- 4 days
- 72 days
- 6 days
- 213 days
Quantity(In Kg)/Price12345Gummy bear20406080100Candies306090120150Chocolates50100150200250
According to the information given what is the total price of 6 kg of all the items?
550
600
500
650
X100200300400Y302015
Which number fills the blank cell?
60
70
80
90
X and Y can do a piece of work in 72 days. Y and Z can do it in 120 days. X and Z can do it in 90 days. How many days does it take if all the three can work together?
100 days
150 days
60 days
80 days
Seema weaves 25 baskets in 35 days. In how many days will she weave 110 baskets?
154 days
None of these
152 days
139 days
- 2
- 3
- 0
- 1
40 people take 10 days to dig a well. Using the theory of variation , how many extra people will be required to dig the well in 8 days.
8
9
10
12
- 20 days
- 22 days
- 29 days
- 23 days
Amita and Balu applied for a typing job. Amita can type 120 words per minute while Balu can type 80 words in 50 seconds. The employer wants to select the one with the fastest typing speed. Who would get the job?
Balu
Amita
Both Amita and Balu, since their rate of typing is same
Can't be determined
Two quantities x and y are said to vary in inverse proportion, if there exists a relation of the type xy = k between them, k being a constant.
True
False