JSCE Mathematics 2023 Objective — Question 47
Question 47 of 80 from the Junior Secondary Certificate Examination (JSCE) Mathematics 2023 Objective paper, with the correct answer and a full explanation.
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The ages of three members of a family are in the ratio of 4:5:6. The least common multiples of their age is 360 yrs. Find their ages.
- A. 90yrs, 72yrs and 60yrs
- B. 60yrs, 48yrs and 50yrs
- C. 24yrs, 30yrs and 36yrsCorrect
- D. 22yrs, 28yrs, and 30yrs
Explanation
Ages 4k, 5k, 6k. LCM = 60k = 360, so k = 6. Ages: 24, 30, 36.
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