Number/Letter Series MCQs for CET Graduate
Practice 20 free Number/Letter Series questions under Mental Ability — Reasoning & Mental Ability.
Strengthen your Number/Letter Series knowledge for CET Graduate with curated MCQs. Switch between Hindi and English anytime.
CET Graduate — Mental Ability — Number/Letter Series
20 Questions • Instant results & explanations • Hindi & English
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Question 1 of 20
If a sequence is formed by calculating the cubes of natural numbers, what mathematical operation would theoretically reverse the process to find the original base number from the sequence term?
Question 2 of 20
Match List-I (Sequence Type) with List-II (Underlying Logic) and choose the correct code: List-I a. 1, 4, 9, 16 b. 2, 3, 5, 7 c. 10, 8, 6, 4 List-II 1. Normal Decrease (Subtraction) 2. Squares of Natural Numbers 3. Prime Numbers
Question 3 of 20
According to the principles of number puzzles, what is the best method to gain proficiency in solving these questions?
Question 4 of 20
Consider the following statements: Statement I: Finding the missing term in a series strictly requires identifying the governing rule of the series. Statement II: The governing rule of a series is typically based on standard mathematical operations like squares, cubes, addition, etc. Which of the statements given above is/are correct?
Question 5 of 20
Assertion (A): When a numerical series shows alternating rapid increases and rapid decreases, it indicates a combination of addition and subtraction. Reason (R): Rapid changes in series values are primarily driven by multiplication and division operations.
Question 6 of 20
What is the very first step required to find a missing term in a number puzzle or diagram?
Question 7 of 20
If a mathematical puzzle involves numbers placed within a specific layout, what is the mandatory prerequisite to finding the missing number?
Question 8 of 20
If the values in a series are decreasing very rapidly, which operation is most likely occurring?
Question 9 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 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
A student encounters a diagram puzzle with missing numbers. Based on standard guidelines, which mathematical operations might they expect to employ?
Question 12 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 13 of 20
What can be the constituent elements of a reasoning series puzzle?
Question 14 of 20
In the series 1, 4, 9, 16, ?, 36, what is the missing term and what rule does it follow?
Question 15 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 16 of 20
Consider the following statements: Statement I: In multiplication-based series, operations like addition or subtraction can never occur simultaneously. Statement II: In division-based series, operations like addition or subtraction can accompany the primary division. Which of the statements is/are correct?
Question 17 of 20
Consider the following statements regarding number series: I. A normal rate of increase suggests an addition-based series. II. A normal rate of decrease suggests a subtraction-based series. Which of the statements given above is/are correct?
Question 18 of 20
Match List-I (Visual Change in Series) with List-II (Underlying Mathematical Operation) and select the correct answer: List-I a. Rapid Increase b. Normal Increase c. Small alternate fluctuations List-II 1. Addition 2. Alternate Addition & Subtraction 3. Multiplication or Positive Power
Question 19 of 20
Identify the missing term in the given series: 2, 3, 5, 7, 11, ?, 17.
Question 20 of 20