AND-NOT-AND

If P is the set of multiples of 2, Q is the set of multiples of 3, and R is the set of multiples of 7, the following integers will be in P and Q but not in R:

A=−54
B=−50
C=42
D=100
E=252

Result

x = (Correct answer is: ABD) Wrong answer

Step-by-step explanation:

P={,4,2,0,2,4,6,.} Q={,6,3,0,3,6,9,.} R={,14,7,0,7,14,21.}  A=54=2×33PQR B=50=2×5×5=2×52PQR C=42=2×3×7 D=100=2×2×5×5=22×52PQR E=252=2×2×3×3×7=22×32×7  x=ABD



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