Question : Directions: Which of the following letter clusters will replace the question mark (?) in the given series?
ARC, EPF, JNI, PLL, ?
Option 1: WJO
Option 2: QLP
Option 3: WLQ
Option 4: QKP
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Correct Answer: WJO
Solution :
Given:
ARC, EPF, JNI, PLL, ?
Add consecutive natural numbers starting from 4 to 7 to the place value of the first letter and, 3 to the place value of the third letter and subtract 2 from the place value of the second letter to the letters in the previous term to get the next term –
⇒ ARC: A + 4 = E; R – 2 = P; C + 3 = F→EPF
⇒ EPF: E + 5 = J; P – 2 = N; F + 3 = I→JNI
⇒ JNI: J + 6 = P; N – 2 = L; I + 3 = L→PLL
⇒ PLL: P + 7 = W; L – 2 = J; L + 3 = O→WJO
So, WJO is the missing term in the series. Hence the first option is correct.
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