2021 · Q103
'M' is 60 years old. 'R' is 5 years junior to 'M' and 4 years senior to ‘V’. The youngest brother of 'V' is 'B' and he is 6 years junior to ‘V’. What is the age difference between ‘M' and B'?
General Mental Ability, Quantitative Aptitude and StatisticsLogical reasoning
- A18 years
- B15 years
- C13 years
- D11 years
Explanation
According to the question, M - R = 5 years ⇒60 - R = 5 ⇒R = 60 - 5 ⇒R = 55 years Now, according to the question, R - V = 4 years ⇒55 - V = 4 ⇒V = 55 - 4 V - B = 6 years ⇒51 - B = 6 ⇒B = 51 - 6 ⇒B = 45 years Now, the age difference between M and B, M - B = 60 - 45 ⇒15 years ∴The age difference between M and B is 15 years.