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if P = {x:x is odd, \(-1 < x \leq 20\)} and Q is {y:y...

Mathematics
JAMB 2013

if P = {x:x is odd, \(-1 < x \leq 20\)} and Q is {y:y is prime, \(-2 < y \leq 25\), find P \(\cap\) Q

  • A. {3,5,7,11,17,19}
  • B. {3,5,11,13,17,19}
  • C. {3,5,7,11,13,17,19}
  • D. {2,3,5,7,11,13,17,19}
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Correct Answer: Option C
Explanation

P = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19}

Q = {-1, 3, 5, 7, 11, 13, 17, 19, 23}

P \(\cap\) Q = {3, 5, 7, 11, 13, 17, 19}

There is an explanation video available below.

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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
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Explanation Video

WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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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 May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995