Question 17

Determine the alphabets that shall come in the blank space :
UNR ICF LEI OGL RIO
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UNR ICF LEI OGL RIO

In the above series, look at the changing pattern from ICF to RIO

From ICF to LEI, 

I + 3 = L

C + 2 = E

F + 3 = I

From LEI to OGL, 

L + 3 = O

E + 2 = G

I + 3 = L 

Similarly, from OGL to RIO, 

O + 3 = R

G + 2 = I 

L + 3 = O

Hence, we can see a clear pattern that the first and last term is increasing by 3 and the second term is increasing by 2. 

R + 3 = U

I + 2 = K 

O + 3 = R

Hence, the final term will be UKR. 

Option B. 

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