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What number should replace the question mark in this series?

13 44 88 176 847 ?

Read Solution (Total 3)

1595. First number is 13. Second number is 13+31 = 44. Third number is 44+44=88. Fourth number is 88+88 = 176. Fifth number is 176+671=847. So, next number is 847+748 = 1595
15 years agoHelpfull: Yes(12) No(1)

847+748=1595
15 years agoHelpfull: Yes(3) No(1)
1595
15 years agoHelpfull: Yes(2) No(2)

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