Data Interpretation Ques 352
Directions : Study the table and answer the given questions.
Total number of students in 4 different classes and percentage of students participating in Dance and Play in 4 different classes
Classes | Total Students | $\%$ of students participating in | |
---|---|---|---|
Dance | Play | ||
VI | 500 | 15 | 8 |
VII | 400 | 10 | 6 |
VIII | 360 | 25 | 10 |
IX | 250 | 10 | 12 |
If $20 \%$ of students who participate in dance from class VI also participate in play then find the ratio of students from class VI who participated only in Dance to students who participated only in play?
(1) $25: 16$
(2) $16: 25$
(3) $19: 20$
(4) $20: 19$
(5) $12: 5$
Show Answer
Correct Answer: 352.(5)
Solution: (5) Students from class VI who participate only in dance
$=500 \times \frac{15}{100} \times \frac{80}{100}$
$=60$
Students who participate only in play
$=\frac{500 \times 8}{100}-15=40-15=25$
$\therefore$ Required ratio $=60: 25$
$=12: 5$