Question
What should come in place of the question mark (?) in
the given series based on the English alphabetical order? NRT, JNP, FJL, BFH, ?Solution
Look at the positions (A=1, B=2, β¦):
N(14) R(18) T(20)
J(10) N(14) P(16) β each letter β4
F(6) J(10) L(12) β each letter β4
B(2) F(6) H(8) β each letter β4
Continue β4 from B(2), F(6), H(8):
B(2) β 4 = β2 β +26 = 24 β X
F(6) β 4 = 2 β B
H(8) β 4 = 4 β D
So the next term is XBD .
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