If Set A is a set of first 5 odd numbers and Set B is a set of first 5 prime numbers. Find Set A$\Omega$B.
A){1,3,5,7,9}
B){1,3,5,7,9,11}
C){2,9,11}
D){3,5,7}

Question

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A$\Omega$B is the intersection of sets A and B and is defined as the set that have all the elements which are common in both sets. Set A (1,3,5,7,9) B= (2,3,5,7,11) Numbers 3, 5 and 7 are common.
Key takeaway: Set theory is important for GMAT. Simple questions based on the understanding of basic rules of set theory are asked. Learn these rules.

If Set a Is a Set of First 5 Odd Ω\OmegaΩ

If Set a Is a Set of First 5 Odd $\Omega$