4, 9, 19, 39, 79, ?
A169
B159
C119
D139
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Related Questions:
The position of how many letters will remain unchanged if each of the letters in the word DEVELOP is arranged in alphabetical order ?
എന്ന സംഖ്യ പാറ്റേണിലെ അടുത്ത പദം ഏതാണ് ?
2, 5, 11, 23, 47, _____
What should come in place of the question mark (?) in the given series?
6 4 5 11 39 ?