Assertion and reason: workers and time

Exercise and reference answers

Questions

1. Reason

   Workers and time are inversely proportional for a fixed job.

   Verdict

   Both are true; the reason explains the assertion.

   Assertion

   Trebling the workforce cuts the time to a third.

2. Reason

   That product measures the total work, which does not change.

   Verdict

   Both are true; the reason explains the assertion.

   Assertion

   The product of workers and days stays constant.

3. Reason

   More workers share the same fixed job.

   Verdict

   The assertion is false and the reason is true.

   Assertion

   Adding workers increases the days needed.

Explanation