Find the missing number in the series
1, 6, ?, 15, 45, 66, 91
A) 24 B) 28 C) 32 D) 26
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1
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options are wrong please check options and repost question
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Answer:
Step-by-step explanation:
28 is the missing term.
Because each digit is following a digit greater then a difference by 4.
Like difference between first two digits 1 and 6 :6–1=5
Next is 15–6=9 i.e,(9–5=4)
Next is 28–15=13 i.e,(13–9=4)
………...so on.
So difference is increasing each time by 4.
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