Let A= 1,2,3,4,5,6,7 . Define B= T A: either 1 T or 2 T and C= T A: the sum of all the elements of T is a prime number . Then the number of elements in the set B C is (JEE Main 2023)

JEE Main Mathematics question

Let . Define and . Then the number of elements in the set is (JEE Main 2023)

Answer: 107

= subsets with , : , so . Among these 32,

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Question ID VK-003287