Michael, Albert, Harry and George participated in a Chinese quiz. The average number of points scored by Michael and Albert was 74. The average number of points scored by Albert and George was 71.3. The average number of points scored by Michael, Albert and George was 72. The average number of points scored by Harry and George was 65. How many points did each of them score?

1. George
2. Michael
3. Albert
4. Harry

(a)
Total score of Michael and Albert
= 74 x 2
= 148

Total score of Albert and George
= 71.3 x 2
= 142.6

Total score of Michael, Albert and George
= 72 x 3
= 216

George's score
= 216 - 148
= 68

(b)
Michael's score
= 216 - 142.6
= 73.4

(c)
Albert's score
= 142.6 - 68
= 74.6

(d)
Total score of Harry and George
= 65 x 2
= 130

Harry's score
= 130 - 68
= 62

Answer(s): (a) 68; (b) 73.4; (c) 74.6; (d) 62