1.14,19,29,49,89,? 1)139 2)149. 3)159 3)169
Answer (1)
Hello Bongu,
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19 − 14 = 5
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29 − 19 = 10
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49 − 29 = 20
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89 − 49 = 40
The differences are 5, 10, 20, 40. each difference is doubled.
So, the next difference is 40 * 2 = 80
Next number = 89 + 80 = 169
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