Question

in a recent survey, 40% houses contained two or more people. of those houses containing only one person, 25% were having only a male. what is the percentage of all houses, which contain exactly one female and no males?
give a shortcut and easy trick

Answer 1

let the total number of of houses BF then number of houses having one female only 100 - 25% of 100 - 40% of x 7587 6109 is equal to 9.28 required percentage is equal to 9.3 into one upon X into hundred percent is equal to 45% transfer