In a group of 250 persons, 40% are males and 60% are females. If 30 more females join the group, then what will be the percentage of females in the new group? (Correct to 2 decimal places)
A.72.25%
B.64.29%
C.62.58%✓ Correct
D.90.25%
Explanation
Originally: females = 150, males = 100. After 30 more females join: total = 280, females = 180. Percentage = (180/280) × 100 = 64.285... ≈ 64.29%. The answer is (d) 64.29%.
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