Question
Download Solution PDFThe ratio between the number of males and females in a college is 21 ∶ 22. If the number of males is increased by 20% and the number of females is increased by 30%, then what will be the new ratio of males and females in the college?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Male : Female = 21 : 22
Calculation:
New ratio of male to female = 21 × (100 + 20)% : 22 × (100 + 30)%
⇒ 21 × 120% : 22 × 130%
⇒ 21 × 12 : 22 × 13
⇒ 21 × 6 : 11 × 13
⇒ 126 : 143
∴ The new ratio of males and females in the college is 126 : 143
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