The average of 5 quantities is 10. The average of 3 of them is 4. What is the average of remaining 2 numbers?	Choose the correct choice from the following choices.
A) 19	B) 14	C) 8	D) 9.5	E) none of these

Rationale: answer : a ( 5 x 10 - 3 x 4 ) / 2 = 19
Answer: A