SOLUTION: what is the next number in the series 5 10 15 25 40 ?

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Question 631367: what is the next number in the series 5 10 15 25 40 ?
Answer by sachi(548) About Me  (Show Source):
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what is the next number in the series 5 10 15 25 40 ?
ans:- 65
5+10=15
10+15=25
15+25=40
25+40=65
40+65=105
...... ans