Q9.The mean height of 6 members of group-A is 6 feet and the mean height of n members of group-B is 4 feet. If the sum of the heights of all members of both groups is same, then find the value of n.
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Q9
10 Jul 2022
Q9.The mean height of 6 members of group-A is 6 feet and the mean height of n members of group-B is 4 feet. If the sum of the heights of all members of both groups is same, then find the value of n.
