If the probability that Brendon, Daniel and Kane score more than or equal to $700$ on the GMAT is $0.4, 0.5$ and

If the probability that Brendon, Daniel and Kane score more than or equal to $700$ on the GMAT is $0.4, 0.5$ and $0.6$ respectively, what is the probability that at least $2$ of them score less than $700?$

A. $0.12$
B. $0.38$
C. $0.40$
D. $0.50$
E. $0.60$

The OA is D

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