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A trader bought 100 tubers at 5 for N350.00. She sold them in sets of...

Mathematics
WAEC 2008

A trader bought 100 tubers at 5 for N350.00. She sold them in sets of 4 for N290.00. Find her gain percent.

  • A. 3.6%
  • B. 3.5%
  • C. 3.4%
  • D. 2.55
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Correct Answer: Option A
Explanation

Cost price, c.p = \(\frac{100}{5}\) x N350 = N7000

Selling price, s.p = \(\frac{100}{5}\) x N290 = N7250

%Gain = \(\frac{S.p - C.p}{C.p}\) x 100%

= \(\frac{7250 - 7000}{7000}\) x 100% = \(\frac{250 \times 100}{7000}\)

= 3.6% (approx.)


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