Of a group of people, 10 play piano, 11 play guitar, 14 play violin, 3 play all the instruments, 20 play only one instrument. How many play 2 instruments?	Choose the correct choice from the following answers:	A) 3	B) 6	C) 9	D) 12	E) 15
Let single piano players = p   Let single guitar players = g   Let single violin players = v   Given, p + g + v + 3 + 20 = 10 + 11 + 14.   Hence, p + g + v = 35 - 23= 
<gadget id="calculator">35 - 23</gadget>
<output>12</output>
12   ANSWER:12
<result>D</result>
Of a group of people, 10 play piano, 11 play guitar, 14 play violin, 3 play all the instruments, 20 play only one instrument. How many play 2 instruments?