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summerann19
summerann19 summerann19
  • 15-06-2016
  • Mathematics
Answered

Using first and second differences, calculate the next three terms in the following sequence.


7, 9, 15, 26, 43, . . .


a.


67, 99, 140


c.


66, 98, 139

b.


72, 106, 149


d.


66, 98, 141

Verified Answer :

Ckaranja
Ckaranja Ckaranja
  • 15-06-2016

67, 99, and 140

The numbers in the third below increase by 1 for each consecutive set. i.e
7       9      15     26     43
    2       6        11     17
         4         5       6

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