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Question : Directions: Which of the following letter clusters will replace the question mark (?) in the given series to make it logically complete?
MY 27, KZ 64, ?, GB 216, EC 343

Option 1: JB 81

Option 2: JA 81

Option 3:  IA 125

Option 4: HB 100


Team Careers360 22nd Jan, 2024
Answer (1)
Team Careers360 25th Jan, 2024

Correct Answer: IA 125


Solution : Given:
MY 27, KZ 64, ?, GB 216, EC 343

In the above-given series, subtract 2 from the place value of the first letter, add 1 to the place value of the second letter, and the numbers are the cube of consecutive numbers.
MY 27→MY; (3) 3 = 27
MY 27→M – 2 = K; Y + 1 = Z; (4) 3 = 64→KZ 64
KZ 64→K – 2 = I; Z + 1 = A; (5) 3 = 125→IA 125
IA 125→I – 2 = G; A + 1 = B; (6) 3 = 216→GB 216
GB 216→G – 2 = E; B + 1 = C; (7) 3 = 343→EC 343

So, IA 125 is the required term of the given series. Hence, the third option is correct.

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