For an upcoming charity event, a male vocalist has agreed to sing 5 out of 7 “old songs” and 3 out of 6 “new songs.” How many ways can the singer make his selection? Choose the correct choice from the following
A) 25 B) 50 C) 140 D) 480 E) 600
=71405*61403   =7*6/3*6*5/3   =7*2*2*5= 
<gadget id="calculator">7*2*2*5</gadget>
<output>140</output>
140   Ans= 140
<result>C</result>
For an upcoming charity event, a male vocalist has agreed to sing 5 out of 7 “old songs” and 3 out of 6 “new songs.” How many ways can the singer make his selection?