The average age of 40 students of a class is 18 years. When 20 new students are admitted to the same class, the average age of students of the class is increased by 6 months. The average age of newly admitted students is |
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a) |
19 years |
b) |
19 |
c) |
20 years |
d) |
20 |
The average age of 40 students of a class is 18 years. When 20 new students are admitted to the same class, the average age of students of the class is increased by 6 months. The average age of newly admitted students is |
|||||||
a) |
19 years |
b) |
19 |
c) |
20 years |
d) |
20 |