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Mathematics, 11.04.2021 05:40 gracieorman4

53. There are n arithmetic means between 40 and 144 such that 4th mean :nth mean is 2:5. The common difference is (a) 2
(b) 3
(c) 4
(d) 5​

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53. There are n arithmetic means between 40 and 144 such that 4th mean :nth mean is 2:5. The common...
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