Comparing Quantities Using Ratio

Q.

If two quantities have different units then we can compare them by using the method of ratio.

1. Ratio

2. Proportion

Q. 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?

1. Balu
2. Can't be determined
3. Both Amita and Balu, since their rate of typing is same
4. Amita