The A.M of 10 numbers is 20 and A.M of 30 numbers is 60,then find A.M – InterviewSolution

InterviewSolution

1.	The A.M of 10 numbers is 20 and A.M of 30 numbers is 60,then find A.M of the Combined data.
Answer» Let the sum of numbers of first DATA be 'x' and second data be 'y', thenx/10 = 20=> x = 200And, y/30 = 60=> y = 1800∴ A.M. of combined data = x+y 10+30 = 1800+200 40 =50

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