In the following question, select the related letter from the given alternatives.
DE : O : : AF : ?
Expression = DE : O : : AF : ?
Now, D = 4 , E = 5 and O = 15
The pattern followed is = $$(4+5)\times2-3=18-3=15$$
Similarly, A = 1 and F = 6
Thus, $$(1+6)\times2-3=14-3=11=K$$
=> Ans - (B)
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