CAT 2020 Exam Shift 3 Solved Paper

Question : 52 of 76

Marks: +1, -0

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

Your Answer:

Validate

Solution:

Let the age of Tom be t.
Ages of Dick and Harry are

3 {t}

and 6 t respectively.
Given,

3 t=\;{t+3 t+6 t}/{3}-1 ⇒ 9 t=10 t-3 ⇒ t=3

Age of Harry

=6 × 3=18

Go to Question:

Prev Question

Next Question