Question

In a seminar, the number of participants in Hindi English and Mathematics are 60, 84 108 respectively. Find the minimum number of rooms required if in each room the same number of participants are to be seated and all of them being in the same subject.

a) 210
b) 21
c) 12
d) 3780​

Answer 1

Answer: (b) 21

Step-by-step explanation:

Here we need to add the number of participants and find the HCF of 60, 84, 108 = 12

Then we will divide the total number of participants by 12 which is equal to 21