Questions
Between two numbers whose sum is 13/6 , an even number of A.M’s are inserted , the sum of these means exceeds the number of means by unity, then find the number of means
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Correct option is B
Let a and b be two numbers and 2n, A.M’s are inserted between a and b, then from the given data we can write ,2n2(a+b)=2n+1∵a+b=1316→n 136=2n+1⇒n=6∴ Number of mean =12.Similar Questions
Between 1 and 31 are inserted M arithmetic means so that the ratio of the 7th and (M - 1) th means is 5:9, then the value of m is
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