The average age of 12 students is 20 years. If the age of one more student is included, the average decreases by 1. What is the age of the new student?
1) 5 years '
2) 7 years '
3) 9 years
4) 11 years
Five years ago, the average age of M, N, 0 and P was 45 ...
The average age ...
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. ...