Question
There are two series I and II. Logic in both the series
are different. Series l: 3, 12, 28, 53, 89, . Series II: 259, 270, 283, 300, 319. Determine, which of the following will be the first term which is common in both the series?Solution
ATQ, Logic in series I: 3 + 32 = 12 12 + 42 = 28 28 + 52 = 53 53 + 62 = 89 89 + 72 = 138 138 + 82 = 202 202 + 92 = 283 283 + 102 = 383 Logic in series II: 259 + 11 = 270 270 + 13 = 283 283 + 17 = 300 300 + 19 = 319 319 + 23 = 342 Hence, we can see that the first term which is common in both the series is 283.
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