Today Puzzle #715
Puzzle No. 715 鈥� Friday 10 April
A new study that looks at lifespan in wild mammals found that females live longer than males. In a particular species females live 50% longer than males. If equal numbers of males and females are born and the population remains constant, what is the proportion of females in the population?
Today’s #PuzzleForToday has been set by Dr Shaun Fitzgerald, Fellow of Girton College
Click here for the answer
The proportion of females is given by (1.5)/(1.5+1)=3/5=60%”
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