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1. |
A problem in Mathematics is given to 3 students A, B and C. If the probability of A solving the problem is \(\dfrac{1}{2}\) and B not solving it is \(\dfrac{1}{4}\) and the whole probability of the problem being solved is \(\dfrac{63}{64}\), then what is the probability of solving it by C? |
A. | \(\dfrac18\) |
B. | \(\dfrac1{64}\) |
C. | \(\dfrac78\) |
D. | \(\dfrac12\) |
Answer» D. \(\dfrac12\) | |