NABTEB Mathematics 2025 Objective — Question 10

Question 10 of 60 from the National Business and Technical Examinations Board (NABTEB) Mathematics 2025 Objective paper, with the correct answer and a full explanation.

The universal set u is the set of all integers and the subsets P, Q and R are given by P={x:x>0}, Q={x:x is odd}, R={-5<=x<=5}. Find Q intersect R.

A. {1,3}
B. {1,3,5}
C. {0,1,3,5}

Explanation

R = {-5,-4,-3,-2,-1,0,1,2,3,4,5}. Q = odd integers. Q intersect R = odd numbers between -5 and 5 = {-5,-3,-1,1,3,5}.

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