Look at this series: 5, 8, 6, 9, 7, ... What number should come next?  Choose the correct choice from the following.
A) 4 B) 11 C) 10 D) 8 E) 12
This is a simple alternating addition and subtraction series. In the first pattern, 3 is added; in the second, 2 is subtracted.   5+3= 
<gadget id="calculator">5+3</gadget>
<output>8</output>
8   6+3= 
<gadget id="calculator">6+3</gadget>
<output>9</output>
9   8-2= 
<gadget id="calculator">8-2</gadget>
<output>6</output>
6   9-2= 
<gadget id="calculator">9-2</gadget>
<output>7</output>
7   Now  7+3= 
<gadget id="calculator"> 7+3</gadget>
<output>10</output>
10   Answer is 10
<result>C</result>
Look at this series: 5, 8, 6, 9, 7, ... What number should come next?