Logical Reasoning

Sequence & Series

Easy

Arrange the statements in proper logical sequence.

A. The pattern continues by multiplying the number by 3.

B. Therefore, The next number must be 324.

C. The given series is 4, 12, 36, 108, ?

D. Middle term is the geometric mean of its previous and next term.

Choose the correct answer from the options given below:

D, A, C, B

A, C, B, D

C, D, A, B

C, A, B, D

✅ Correct Option: 4

C -> A -> B -> D

C first introduces the series: 4, 12, 36, 108, ?.

A then identifies the pattern, where each term is obtained by multiplying the previous term by 3.

B follows directly from this pattern, since 108 × 3 = 324.

D finally states a general property of the resulting geometric progression, where a middle term is the geometric mean of the preceding and succeeding terms.

2023: 7 June Shift 1

Choose the missing terms out of given alternatives :

A3, E4, I10, O33, U136, ?

2026: 20 May Shift 2

In the given question, a letter-number series is given with one term missing as shown by (?). Choose the missing term out of the given alternates.

Q1F, S2E, U6D, W21C, ...? ...

2023: 24 May Shift 3

Find the missing term?

2025: 27 May Shift 2

Choose the missing term out of the given alternatives

C4X, F9U, I16R, ?

2026: 18 May Shift 2

In the given question, a letter-number series is given with one or more terms missing as shown by (?). Choose the missing term out of the given alternatives.

A196, I169, P144, V121, A100, ...?...

2025: 24 May Shift 2

Choose the missing term out of the given alternatives:

C02T, D05S, F10Q, I17N, ?, R37E

Solution

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