kwizNET Subscribers, please login to turn off the Ads!
Email us to get an instant
on highly effective K-12 Math & English
Online Quiz (
Questions Per Quiz =
Math Word Problems - GED, PSAT, SAT, ACT, GRE Preparation
7.10 Inverse Variation or Inverse Proportion
Inverse Variation or Indirect Variation
Answer the following questions. Also write at least ten examples of your own.
: 24 people can construct a house in 15 days. But the owner would like to finish the work in 12 days. How many more workers should he employ?
: The groceries in a home of 4 members are enough for 30 days. If a guest comes and stays with them, how many days will the groceries last?
: At the rate of 28 lines per page, a book has 300 pages. If the book has to contain only 280 pages, how many lines should a page contain?
: If y varies inversely as x; and x=6 when y=-3, find y when x=-9.
: In an army camp, there is food for 8 weeks for 1200 people. After 3 weeks, 300 more soldiers joined the camp. For how many more weeks will the food last?
another 4 weeks
another 5 weeks
another 3 weeks
: A farmer has enough grain to feed 50 cattle for 10 days. He sells 10 cattle. For how many days will the grain last now?
: The number 'r' varies inversely as 's' and the constant of variation is 20. Find s when r=5; and find r when s=-2.
5 and -10 respectively
-10 and 5 respectively
-10 and 4 respectively
4 and -10 respectively
: It is known that current (A) in an electric circuit is inversely proportional to the resistance (R) in the circuit. When the resistance is 3 ohms, the current is 2 amperes. Find the resistance if the current is 5 amperes; and find the current when the r
1 ohms and 1 amperes respectively
1.2 ohms and 1.2 amperes respectively
2 ohms and 1 amperes respectively
Question 9: This question is available to subscribers only!
Question 10: This question is available to subscribers only!
Subscription to kwizNET Learning System
offers the following benefits:
Unrestricted access to grade appropriate lessons, quizzes, & printable worksheets
Instant scoring of online quizzes
Progress tracking and award certificates to keep your student motivated
Unlimited practice with auto-generated 'WIZ MATH' quizzes
Child-friendly website with no advertisements
Choice of Math, English, Science, & Social Studies Curriculums
Excellent value for K-12 and ACT, SAT, & TOEFL Test Preparation
Get discount offers by sending an email to
Terms of Service