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Number/Letter Series MCQs for CET Graduate

Practice 20 free number/letter series multiple choice questions for CET Graduate exam. Instant answers, explanations in Hindi and English, and topic-wise targeted practice.

Master Number/Letter Series under Mental Ability for CET Graduate with our curated MCQ set. Every question is sourced from real Rajasthan exam patterns and updated regularly. Switch between Hindi and English anytime. Use this daily to strengthen weak areas before the exam.

CET Graduate — Mental Ability — Number/Letter Series

20 Questions • Instant results & explanations • Hindi & English

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Question 1 of 20

What is the primary analytical significance of observing the rate of change (normal vs. rapid) when deciphering a number series?

Question 2 of 20

Which of the following mathematical operations is NOT explicitly mentioned as a common base for number series in the standard rules of number puzzles?

Question 3 of 20

Assertion (A): Constant practice is considered the most effective method for mastering number puzzles. Reason (R): The mathematical operations and rules applied vary significantly from one question to another.

Question 4 of 20

If a student observes a number puzzle where values first increase and then decrease by large margins consecutively, what should they investigate first?

Question 5 of 20

Assertion (A): Achieving proficiency in number puzzle questions requires maximum practice. Reason (R): Different mathematical operations like addition, division, squares, etc., can be applied differently across different questions.

Question 6 of 20

What mathematical pattern governs a series where values increase and decrease alternately, but the difference between consecutive terms remains relatively small?

Question 7 of 20

Assertion (A): The mathematical operation applied to find a missing term in a number puzzle is always identical across all puzzles of that category. Reason (R): Different puzzles involve different mathematical operations, requiring specific identification for each individual case.

Question 8 of 20

Consider the following statements regarding the elements that make up number puzzles: I. Puzzles may consist of a series of digits/numbers. II. Puzzles may consist of a series of letters or letter groups. III. The series never follows any specific rule. Which of the statements given above is/are correct?

Question 9 of 20

What kind of operation is most probably governing a series if the numbers decrease at an unusually fast rate, but do not land on exact quotients?

Question 10 of 20

Assertion (A): Identifying whether a series alternates between increasing and decreasing can help immediately filter the possible mathematical operations involved. Reason (R): Alternating patterns strictly narrow the possibilities to either alternating add/sub or alternating mult/div, based on the magnitude of change.

Question 11 of 20

Which specific sequence correctly represents the logical rule of 'Squares of natural numbers'?

Question 12 of 20

Match List-I (Change Dynamic) with List-II (Core Operation) based on number puzzle rules: List-I a. Rapid Value Decay b. Simple Value Growth c. Alternate minor fluctuations List-II 1. Addition/Subtraction alternately 2. Division 3. Addition

Question 13 of 20

The series 2, 3, 5, 7, 11, 13, 17 is based on which specific sequence?

Question 14 of 20

Which specific combinations of alternate operations are classified strictly based on the magnitude of change (rapid vs. small) in the sequence?

Question 15 of 20

A rapid increase in the digits of a series most definitively indicates the primary use of which of the following operations?

Question 16 of 20

Which of the following operations are explicitly identified as the foundational bases for numerical series puzzles?

Question 17 of 20

What is the very first step required to find a missing term in a number puzzle or diagram?

Question 18 of 20

If a missing term in a visual diagram puzzle is to be found, what must one do immediately after identifying the mathematical rule the other numbers follow?

Question 19 of 20

Assertion (A): In the series 2, 3, 5, 7, 11, the next term must be 13. Reason (R): The series consists of prime numbers starting from 2.

Question 20 of 20

If a series alternately increases and decreases, but the difference between consecutive terms is small, which operations are alternating?

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