The average of 20 numbers is 15 and the average of first five is 12. The average of the rest is :

[A]13

[B]14

[C]15

[D]16

**16**

If the average of remaining numbers be x, then

20 15 = 5 12 + 15 x

=> 300 = 60 + 15 x

=> 15 x = 300 – 60 = 240

Hence option [D] is correct answer.