the average of 4 terms is 20 and the 1 st terms is 1/3 of the remaining terms what will be the first number
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Answer:
20
Step-by-step explanation:
Average of 4 terms = 20
Hence, the total sum of 4 terms = 80
Let terms be A,B,C,D
So, the sum will be A+B+C+D =80
Given, 3A = B+C+D
So,
4A = 80,
A = 80/4
A = 20
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