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W is directly proportional to U. If W = 5 when U = 3, find...

Mathematics
JAMB 2010

W is directly proportional to U. If W = 5 when U = 3, find U when W = \(\frac{2}{7}\)

  • A. \(\frac{6}{35}\)
  • B. \(\frac{10}{21}\)
  • C. \(\frac{21}{10}\)
  • D. \(\frac{35}{6}\)
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Correct Answer: Option A
Explanation

W \(\alpha\) U

W = ku

u = \(\frac{w}{k}\); \(\frac{2}{7}\) x \(\frac{3}{5}\)

= \(\frac{6}{35}\)

There is an explanation video available below.


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Explanation Video

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
Join your school's WhatsApp group
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Join your school's WhatsApp group
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789