| Out of 30 students in a class, 6 like football, 12 like cricket and remaining like tennis. Find the ratio of: |
| (a) Number of students liking football to number of students liking tennis. |
| (b) Number of students liking cricket to total number of students. |
Answer:
We have, Total number of students = 30 Number of students who like football = 6 Number of students who like cricket= 12 Number of students who like tennis \[=30(6+12)\] \[=3018\] \[=12\] (a) Ratio of number of students liking football to the number of students liking tennis \[=6:12\] \[=\frac{6}{12}=\frac{1}{2}=1:2\] (b) Ratio of students liking cricket to total number of students \[=12:30\] \[=\frac{12}{30}=\frac{2}{5}=2:5\] We have, Total number of students = 30 Number of students who like football = 6 Number of students who like cricket= 12 Number of students who like tennis \[=30(6+12)\] \[=3018\] \[=12\] (a) Ratio of number of students liking football to the number of students liking tennis \[=6:12\] \[=\frac{6}{12}=\frac{1}{2}=1:2\] (b) Ratio of students liking cricket to total number of students \[=12:30\] \[=\frac{12}{30}=\frac{2}{5}=2:5\]
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