There are three departments in a college each having 220, 160, 120 students respectively. For an exam, they have to be seated in rooms such that each room has equal number of students and each room must have students of one department only. Find the minimum number rooms required to seat the students.
a)25
b)28
c)31
d)36
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Answered by
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Answer:
Step-by-step explanation:
Factors of each of the numbers as below
220 = 20 * 11
160 = 20 * 8
120 = 20 * 6
Since each room should contain equal number of students and have students of one department only, the minimum number of rooms = 11 + 8 + 6 = 25.
Answered by
0
Minimum number rooms required to seat the students is 25
Step-by-step explanation:
Factors of each of the numbers as below
220 = 20 x 11
160 = 20 x 8
120 = 20 x 6
Since each room should contain equal number of students and have students of one department only, the minimum number of rooms = 11 + 8 + 6 = 25.
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