the mean of a, b, c, d and e is28. If the mean of a , c and e is 24 Find the mean of b and d
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(a+b+c+d+e)/5=28
a+b+c+d+e=140...(1)
(a+c+e)/3=24
a+c+e=72
Putting this in equation (1)
b+d+72=140
b+d=68
(b+d)/2=34
Thus, mean of b and d is 34.
a+b+c+d+e=140...(1)
(a+c+e)/3=24
a+c+e=72
Putting this in equation (1)
b+d+72=140
b+d=68
(b+d)/2=34
Thus, mean of b and d is 34.
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