Question 1173331
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Let consider section A.


There are &nbsp;5 &nbsp;male and &nbsp;6 &nbsp;female there.


You can form  &nbsp;&nbsp;5 * 6 = 30 &nbsp;&nbsp;different pairs of them.
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Solve &nbsp;<U>similarly</U> &nbsp;for two other sections  &nbsp;B &nbsp;and &nbsp;C &nbsp;on your own &nbsp;<U>in  the same way</U>.