In 2000, what was the ratio of the number of dead males to dead females among those being tracked?
Explanation:
Total number of males/females in 1980 = 1000 each.
Total number males in 2000 = 180 + 205 + 160 + 100 = 645 ∴ Number of dead males = 1000 – 645 = 355
Total number females in 2000 = 210 + 175 + 150 + 120 = 655 ∴ Number of dead males = 1000 – 655 = 345
⇒ Ratio of dead males to females = 355 : 345 = 71 : 69.
Hence, option (d).
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