Question

If 1234 = T,
2 3 4 5 = 0,
3 4 5 6 = T,
4 5 6 7 = E
then what is 5 6 7 8?​

Answer 1

Answer:

A={1,2,3,4,5}

B={4,5,6,7,8}

C={7,8,9,10,11}

D={10,11,12,13,14}

A∩(B∪C)

={1,2,3,4,5}∩({4,5,6,7,8}∪{7,8,9,10,11})

={1,2,3,4,5}∩{4,5,6,7,8,9,10,11}

={4,5}