Which of the given letter groups follows the same principle on which the numbers are arranged in the given number group ?
(5, 8, 13, 20, 29)
The Series follows the pattern
5
5+3 =8
8+5 =13
13 +7 =20
20+9 = 29
So the option representing the correct letter group must follow the same pattern
So
the letter series is
A
A+3 = D
D +5 =I
I +7 = P
P + 9 =Y
So the letter series is ADIPY
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