Math, asked by annasafikast, 1 year ago

Find the Missing Number in This Series 1, 6, 15, ?, 45, 66, 91
Find the missing number in this series. 1, 6, 15, ?, 45, 66, 91.

Answers

Answered by vakgomtesh

7

1+5=6+9=15+13=28+17=45+21=66+25=91
Answer is 28

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