Subject: General Aptitude · Chapter: Problems on Ages · Exam: · Marks: · Difficulty:
The ratio between the present ages of A and B is 5
Answer
SELF-PRACTICE — the source book printed no answer.
Nothing is invented here, so this question has no answer on record.
Explanation
Let A’ s age be 5x years. Then, B’s age = 3x years. 5x − 4 1 = ⇒ 5 x − 4 = 3 x + 4 ⇒ 2 x = 8 ⇒ x = 4. 3x + 4 1 A's age 4 years hence 5 x + 4 ∴ = B's age 4 years ago 3x − 4 5 × 4 + 4 24 3 = = = = 3 : 1. 3×4−4 8 1
Explanation as extracted from the printed page; notation may be imperfect.