Practice30Create account

Assertion (A): If the number of workers is doubled, the time to finish a fixed job is halved. Reason (R): Number of workers and time are in inverse proportion. Which is correct?

Class 8Direct and Inverse ProportionsDirect and Inverse Proportions
  • ABoth A and R are true and R is the correct explanation of A
  • BBoth A and R are true but R is not the correct explanation of A
  • CA is true but R is false
  • DA is false but R is true

Step-by-Step Solution

Workers and time are inversely proportional, so doubling workers halves the time. R correctly explains A.
Answer: A) Both A and R are true and R is the correct explanation of A

Master this chapter in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Direct and Inverse Proportions practice questions

More Class 8 Direct and Inverse Proportions practice

Which statement is CORRECT about proportions?In a scale drawing 1 cm represents 50 km. The actual distance between two cities is 425…If 7 horses eat a certain amount of grass in 9 days, in how many days will 21 horses eat…A worker is paid 1500 rupees for 5 days of work. How many rupees will the worker earn…x and y are in inverse proportion. If x increases to 3 times its original value, then y…