Question

1
What is the arithmetic mean of
1 1 1
1x2' 2x3 3x4' 4x5
?
(CSIR-JRF-
Given series is,
1 1 1 1
1x22x3' 3x4' 4x5
1
100 x 101
This series can also be written as,
1 1
1 2
1 1
100 101
1
1 100
101 101
2 3
Number of term in the given sequence=100
sum of all the terms 100/101
Arithmetic mean (A.M.) =
total number of terms 100
1
101​

Answer 1

Answer:

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