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The sum of the ages of Musa and Lawal is 28 years. After sharing a...

Mathematics
JAMB 2007

The sum of the ages of Musa and Lawal is 28 years. After sharing a certain sum of money in the ratio of their ages, Musa gets N600 and Lawal N800. How old is Lawal?
  • A. 14 years
  • B. 20 years
  • C. 12 years
  • D. 16 years
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Correct Answer: Option D
Explanation
M + L = 28,

M : L = 600 : 800

= 3 : 4

\(\frac{M}{L}\) = \(\frac{3}{4}\) \(\to\) M = \(\frac{3}{4}\)L

\(\frac{3}{4}\)L + L = 28

\(\frac{7L}{4}\) = 28

L = \(\frac{4 \times 28}{7}\)

= 16

There is an explanation video available below.


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Explanation Video

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Post UTME Past Questions Agent
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts