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Question : Directions: Which letter cluster will replace the question mark (?) to complete the given series?
ABCD, EBCD, ?, OBCD, UBCD

Option 1: JBCD

Option 2: LBCD

Option 3: IBCD

Option 4: KBCD


Team Careers360 25th Jan, 2024
Answer (1)
Team Careers360 27th Jan, 2024

Correct Answer: IBCD


Solution : Given:
ABCD, EBCD, ?, OBCD, UBCD

According to the vowel series (A, E, I, O, U), the first letter is increased by 1 from the previous term and BCD is constant in all the terms –
ABCD A + 1 = E; According to the vowel series; EBCD
EBCD E + 1 = I; According to the vowel series; IBCD
IBCD I + 1 = O; According to the vowel series; OBCD
OBCD O + 1 = U; According to the vowel series; UBCD

So, IBCD is the missing term in the series. Hence, the third option is correct.

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