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Mathematics 2012 WAEC Past Questions

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21
Which of these statements about y = 8\(\sqrt{m}\) is correct?
  • A. log y = log 8 x log \(\sqrt{m}\)
  • B. log y = 3 log 2 x \(\frac{1}{2}\) log m
  • C. log y = 3 log 2 - \(\frac{1}{2}\) log m
  • D. log y = 3 log 2 + \(\frac{1}{2}\) log m
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22
If x + 0.4y = 3 and y = \(\frac{1}{2}\)x, find the value of (x + y)
  • A. 1\(\frac{1}{4}\)
  • B. 2\(\frac{1}{2}\)
  • C. 3\(\frac{3}{4}\)
  • D. 5
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23
Express 3 - [\(\frac{x - y}{y}\)] as a single fraction
  • A. \(\frac{3xy}{y}\)
  • B. \(\frac{x - 4y}{y}\)
  • C. \(\frac{4y - x}{y}\)
  • D. 3 - \(\frac{x - y}{y}\)
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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24
If p = {prime factors of 210} and Q = {prime less than 10}, find p \(\cap\) Q
  • A. {1,2, 3}
  • B. {2, 3, 5}
  • C. {1, 3, 5,7}
  • D. {2,3,5,7}
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25
Alfred spent \(\frac{1}{4}\) of his money on food, \(\frac{1}{3}\) on clothing and save the rest. If he saved N72,20.00, how much did he spend on food?
  • A. N43,200.00
  • B. N43,000.00
  • C. N42,200.00
  • D. N40,000.00
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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WAEC offline past questions - with all answers and explanations in one app - Download for free