Correct option is D
Given: Z63C, X31F, V15I, T7L, R3O, ?
Observing the first letters:
Z → X → V → T → R → ?
Logic: The 1st letters decrease by 2 places in 2nd letter increasing by 3 place and middle number is getting by substracting by 1 and divided by 2.
The difference of the numbers is decreasing
First letters:
Z - 2 → X
X - 2 → V
V - 2 → T
T - 2 → R
R - 2 → P
And the difference between numbers will be :
63 - 1 = 62 2 = 31,
31 - 1 = 30 2 = 15
15 - 1 = 14 2 = 7
7 - 1 = 6 2 = 3
3 - 1 = 2 2 = 1.
Second letters:
C + 3 = F + 3 = I + 3 = L + 3 = O
Next letter will be:
O + 3 = R
Thus, the next word will be: P1R.
Thus, the correct option is (d) P1R.
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