The following table shows production of cars in a company from 1989 to 1994. Study it carefully and answer the question given below.
Year
1989
1990
1991
1992
1993
1994
A
8
20
16
17
21
6
B
16
10
14
12
12
14
C
21
17
16
15
13
8
D
4
6
10
16
20
31
E
25
18
19
30
14
27
Total
74
71
75
90
80
86
Question: 1
In which year, was the production of all types of cars taken together approximately equal to the average of the total production during the period 1989-1994?
In which of the following years was the total production of cars of types A and B together equal to the total production of cars of types C and D together?