Decimals division
6.3 / 9
0.7
14 / 5
2.8
The arithmetic mean of numbers 12 and 14
13
The average age of three siblings who are 9, 14 and 16
13
The size of a straight angle
180°
15.9 / 3
5.3
6 / 30
0.2
The arithmetic mean of numbers 3, 4, 5, 6
4.5
The average age of family in which parents are 35 and 36 and kids are 10 and 13
23.5
The size of an obtuse angle
more than 90° and less than 180°
8.4 / 6
1.4
18 / 5
3.6
The arithmetic mean of numbers 1, 2, 3, 4, 5, 6
3.5
The average temperature of these days:
Mon 12°C
Tue 8°C
Wed 5°C
Thu 9°C
Fri 15°C
9.8
The total of all interior angles in a triangle
180°
5.36 / 8
0.67
35 / 4
8.75
The arithmetic mean of numbers 7.1 and 9.3
8.2
The average height of three friends if they are 1.62 m, 1.55 m and 1.57 m tall.
1.58
If one of supplementary angles is 118°, then the other one is ...
62°
68.4 / 5
13.68
9 / 8
1.125
The arithmetic mean of numbers 5.4, 3.9 and 4.8
4.7
The average weight of a group of chimpanzees:
chimp1 weighs 41 kg
chimp2 weighs 44 kg
chimp3 weighs 68 kg
chimp4 weighs 66 kg
54.75
65°38´ + 23°47´
89°25´