Which option will replace ? to complete the series 120,99,80,63,48,?
A
35
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B
38
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C
39
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D
40
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Solution
The correct option is D35 120,99,80,63,48,? Clearly, the series is follows a difference of −21,−19,−17,−15 and so on.. Thus, the missing term is 48−13=35.