Interview Q&A / Aptitude
Aptitude interview questions
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- Ten years ago, A was half as old as B. If the ratio of their present ages is 3 : 4, what is the sum of their present ages?
35 years. Present ages 3x and 4x. Ten years ago: 3x - 10 = (4x - 10)/2, so 6x - 20 = 4x - 10 and x = 5. Ages are 15 and 20.
IntermediateQuick answer1 min read