JAMB Mathematics 2013 Objective — Question 10

Question 10 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2013 Objective paper, with the correct answer and a full explanation.

If P={x:x is odd, −1<x≤20} and Q={y:y is prime, −2<y≤25}, find P∩Q.

A. A. {3,5,7,11,13,17,19}Correct
B. B. {3,5,7,11,13,17,19}
C. C. {3,5,7,11,13,17,19}
D. D. {3,5,11,13,17,19}

Explanation

Odd numbers in P: {1,3,5,7,9,11,13,15,17,19}; primes in Q: {2,3,5,7,11,13,17,19,23}; intersection = {3,5,7,11,13,17,19}.

Sign up free to unlock

Score tracking
Practice history
Saved questions
Progress dashboard
Personalized sessions
Weak-topic breakdown

…and/or go further with premium services and No Ads.

Create free account

More questions from Mathematics 2013 Objective More Mathematics past papers