Question : Directions: Which of the following letter clusters will replace the question mark (?) in the given series?
EIMC, DKOD, CMQE, ?, AQUG
Option 1: CPSF
Option 2: COSF
Option 3: BPSF
Option 4: BOSF
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Correct Answer: BOSF
Solution :
Given:
EIMC, DKOD, CMQE, ?, AQUG
Subtract 1 from the place value of the first letter, and add 2, 2, and 1 to the place values of the second, third, and fourth letters respectively of the previous terms to get the next term in the series.
EIMC→E – 1 = D; I + 2 = K; M + 2 = O; C + 1 = D→DKOD
DKOD→D – 1 = C; K + 2 = M; O + 2 = Q; D + 1 = E→CMQE
CMQE→C – 1 = B; M + 2 = O; Q + 2 = S; E + 1 = F→BOSF
BOSF→B – 1 = A; O + 2 = Q; S + 2 = U; F + 1 = G→AQUG
So, BOSF is the missing term of the series. Hence, the fourth option is correct.
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