Today John is 3 times older than Mark.
Today John is 3 times older than Mark. If in 12 years, John will be one year younger than twice the age of Mark on that day, how old is John today?
Answer/Solution
33
Steps/Work
t
Given after 12yrs john will be 1 year younger than twice mark's age
i.e 3M+12 = 2(M+12)-1
M=11
=>John's current age = 3M = 33
Answer is B
Given after 12yrs john will be 1 year younger than twice mark's age
i.e 3M+12 = 2(M+12)-1
M=11
=>John's current age = 3M = 33
Answer is B