7 out of 42 students in a class are absent. Express this statement as a %.
16.66%
18%
20%
11%
Step 1 : Conversion of given statement to a fraction
⇒ 7 out of 42 = 742 = 16
Step 2 : Convert this fraction into a percentage
⇒ 16×100 = 1006 = 16.66%
On a particular day, 16% of the students were absent in a class. If 42 students were present on that day, find the total strength of the class.