Question 16
MediumOriginal questionWhen Ayaan was born, his father was 30 and his mother was 26. Today the three of them have a combined age of 98 years. How old is Ayaan's father now?
Show the answer and explanation
CorrectNot quiteAnswer D
Correct answer: D
Explanation
Let Ayaan be . Father = , mother = .
, so and .
Father = years (mother 40).
Worth noting
40 years is the mother's age. 30 is how old the father was at Ayaan's birth, and that gap of 30 stays fixed.
- Concept
- Family ages from gaps fixed at birth
- Typical timeTypical
- 75 s
- Your timeYours
- —
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