IBPS SO Prelims Exam Model Paper 7

Given:
Total no. of students in college B = 200
Ratio of boys and girls in college B = 3 : 5
Total no. of students in college F = 1000
Ratio of girls to boys in college F = 7 : 3
Calculation:
Number of girls in college B = (

5

8

) × 200
⇒ 5 × 25 = 125
Number of girls in college F = (

7

10

) × 1000
⇒ 7 × 100 = 700
∴ Total no. of girls in college B and F = 125 + 700 = 825.