a coaching institute provides physics and mathematics classes to a group of students the institute has the male and female students in the ratio of 5:4 and the male student population of 1175 suppose a few weeks later a group of male students join the institute and the ratio of male to female student become 3:2. what would be the number of male student to joint institute later be?
Answers
Answer:
235
Explanation:
1) x = No of female student
5x = 4 * 1175
5x = 4700
x = 940
2) y = addtion of male student ratio becomes 3:2
3 * 940 = 2 * (1175 + y)
1410 - 1175 = y
y = 235
Answer:
The number of male student to joint institute later is 235
Explanation:
From the above question:
Given:
male students before arrival of new students= 1175
Ratio of male: female= 5:4
From the above given parameters, we can now find out the number of female students as:
female students= 4/5 * 1175
= 940 students
To find:
New male students to join the institution.
Given:
Ratio of new male students: female students= 3:2
From all the parameters given, we now know:
Let x be new group of males
So we have (1175+x)÷940 = 3÷2
1175+x= old male students + new male students
Solving for x we have
2 x (1175+x) = 940 x 3
2350 + 2x = 2820
2x = 470
x= 235
Therefore, the number of new male students to join the institution =235
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