In how many ways Chief Minister and Minister be elected from a team of 13 members? Choose the correct answer
A) 128  B) 131  C) 132  D) 143  E) 156
To do this, if captain is elected first, then we have 13 ways of doing this.   For election of vice-captain, we have only 12 ways left, coz 1 way is already consumed. (Situations like this is called dependent situation. One selection depends upon other selection.)   So, the ans is 13*12= 
<gadget id="calculator">13*12</gadget>
<output>156</output>
156 ways.   Answer : 156
<result>E</result>
In how many ways Chief Minister and Minister be elected from a team of 13 members?