The ratio of the number of girls to the number of boys in a college having 1440 students is 5:3. If 36 new
girls and some new boys are admitted to the college, the ratio of the number of girls to the number of boys
changes to 3 : 2. Find the number of new boys admitted to the college.
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Step-by-step explanation:
girls= 1440/5+3
= 1440/8
= 180
= 180×5
= 900
no. of boys=180×3
= 540
now girls = 900+36
= 936 = 3x
x=936/3=312
so 2x=2×312=624
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