Question 45

Find the missing group of alphabets in the following series.
JD, LI, (…), SP, XR

Solution

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For 1 letter J+2=L, L+3=O, O+4=S, S+5=X

For 2 letter  D+5=I, I+4=O, O+3=P, P+2=R.   SO missing pair is OM

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