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A. 1/2
B. 16/19
C. 4/5
D. 17/20

Explanation:

n(S) = 20

n(Even no) = 10 = n(E)
n(Prime no) = 8 = n(P)
P(EᴜP) = 10/20 + 8/20 – 1/20 = 17/20

Correct Answer: 17/20

Last Updated: February 08, 2020