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7 M + 4 B = 6 days and 1 man = 2 boys 7 M + 2 M = 6 days ⇒ 9M = 6 days 1 M = 6 `xx` 9 = 54 days Now, 5 M + 2M = 7M 1 M = 54 days 7M = `54/7 = 7 5/7days`
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Consider three numbers 'X', 'Y', and 'Z' that are in the ratio 18:25:30. If the value of 'X' and 'Z' is decreased by 12.5%, and t...
