Question

The problem of statistics is given in two sections of same standard. The odds against for section X to solve the problem are 4:3 and odds in favor to section Y for solving the same problem are 7: 8. The probability that neither section solves the problem of statistics, if both sections try independent of each other, is:

A 21/105
B 32/105
C 84/105
D 73/105
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