Dick is thrice as old as Tom and Harry - Quantitative Aptitude - CAT Age
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The question below is from previous year CAT question from CAT 2020 exam comes from CAT Age : Q.6: Dick is thrice as old as Tom and Harry is twice as old as Dick. If Dick’s age is 1 year less than the average age of all three, then Harry’s age, in years, is?
Find out by answering this question which tests an aspirant’s Quantitative Ability Skills
CAT 2020 - Slot 3 - Quantitative Aptitude - Age - Question 6 - Dick is thrice as old as Tom and Harry
Q.6: Dick is thrice as old as Tom and Harry is twice as old as Dick. If Dick’s age is 1 year less than the average age of all three, then Harry’s age, in years, is
Correct Answer: 18
Let’s consider Tom’s age to be ‘x’ years.
Dick is thrice as old as Tom,
Dick’s age = 3 × x = 3x
Harry is twice as old as Dick,
Harry’s age = 2 × 3x = 6x
Dick’s age is 1 year less than the average age of all three,
3x = Average(x, 3x, 6x) – 1
3 = x
x = 3
Harry’s age = 6x = 6 × 3 = 18 years.
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