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Boy : Girl = 3:4 Total number of students = 210 Number of Boys = (3/7) × 210 = 90 Number of Girls = (4/7) × 210 = 120 Number of girls absent = 40% × 120 = 48 Number of boys absent = 20% × 90 = 18 Total number of girls present = 120 – 48 = 72
Answer the following question based on the direction given below.
If 'A#B' means 'A is father of B'
'A@B' means 'A is daughter of B'
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