In the question below a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.

A4G, B9H, F25L, ?, E121K

  1. O16U
  2. H64S
  3. O49U
  4. L64S

Answer (Detailed Solution Below)

Option 3 : O49U
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Rajasthan GK Subject Test 1
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20 Questions 20 Marks 12 Mins

Detailed Solution

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Given series: A4G, B9H, F25L, ?, E121K

Common Diagram 28.01.2020 D1

The pattern followed here is:

1.The second element of each term - A, B, F, ?, E

F1 A.M 16.1.20 Pallavi D17

Therefore, the missing letter is O.

2. The second element of each term -

Squares of consecutive prime numbers in increasing order. 22 = 4, 32 = 9, 52 = 25, ?, 112 = 121

Thus, ? = 72 = 49

Therefore, the missing number is 49.

3. The last element of each term - G, H, L, ?, K

F1 A.M 16.1.20 Pallavi D18

Therefore, the missing letter is U.

Hence, ‘O49U’ is the missingtermin the given series.

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