UPSC Civil Services 2021 Prelims General Studies Paper II

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Question : 6 of 80
 
Marks: +1, -0
Replace the incorrect term by the correct term in the given sequence
3, 2, 7, 4, 13, 10, 21, 18, 31, 28, 43, 40
where odd terms and even terms follow the same pattern.
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