Two are true, one is not

Exercise and reference answers

Questions

1. False statement

   Direct proportion keeps the product constant

   Statements

   1. Direct proportion keeps the ratio constant
   2. Inverse proportion keeps the product constant
   3. Direct proportion keeps the product constant

2. False statement

   More workers means more time for a job

   Statements

   1. More workers means more time for a job
   2. More workers means less time for a job
   3. Higher speed means less time for a fixed distance

3. False statement

   Quantity and cost vary inversely

   Statements

   1. Buying more sugar costs more
   2. Quantity and cost vary inversely
   3. Quantity and cost vary directly

Explanation