The ratio of students liking maths,
science and social science in class is given as
5: 3:2. Find:
(a) The number of students who like maths in a class of 70 students.
(b) The total number of students in the class, if the number of students liking social
science is 18.
Answers
Answered by
16
Answer:
a} 5 × 100 => 50
10
50 student like math
b} 3 × 100 => 30
10
2 × 100 => 20
10
Total student = 50 + 20 + 30
=> 100
20 student like social science
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Answered by
2
Answer:
(a) total ratio 10
total students 70
ratio of maths 5
then,
70/10×5=35 students
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