The average of 30 results is 20 and the average of? other 20 results is 30. What is the average of all the results?
1) 24
2)48
3)25
4)50
Five years ago, the average age of M, N, 0 and P was 45 ...
INTEGER : DECIMAL : : 1. 100 : 10 2. 1 : 0 3. decimal : fraction 4. whole ...
CHALK : BLACKBOARD : : 1. door : handle 2. table : chair 3. ink : paper ...
RIFLE : SOLDIER : : 1. bow : arrow 2. sword : knight 3. horse : cowboy 4. ...
[Analogies] OXYGEN : GASEOUS : : 1. feather : light 2. mercury : fluid ...
[Analogies]
OXYGEN : GASEOUS : : 1. feather : light 2. mercury : fluid ...
[Analogies ] AGILE : ACROBAT : : 1. grease : mechanic 2. peanuts : ...
[Analogies ]
AGILE : ACROBAT : : 1. grease : mechanic 2. peanuts : ...
[Analogies] INSULT : INVULNERABLE : : 1. success : capable 2. poverty ...
INSULT : INVULNERABLE : : 1. success : capable 2. poverty ...
VANILLA : BEAN : : 1. tabasco : stem 2. chili : flower 3. mint : fruit 4. ...