CBSE BOARD X, asked by asthaankita817, 1 year ago

The sum of n term of two A.P's are in the ratio 5n+4 :9n+9. Find the ratio of their 18th term is

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Answered by Anonymous
7
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nidhidotiyal843: In the question it is asked for 5n+4/9n+9 not 9n+6. Otherwise the answer is correct and then n is coming out to be 36 instead of 35. Rest it's okay.
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