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Patwari — Number/Letter Series MCQs

Practice 20 free number/letter series multiple choice questions for Patwari exam. Instant answers with explanations in Hindi and English.

Master Number/Letter Series under Mental Ability for Patwari with our curated MCQ set. Every question follows real Rajasthan exam patterns. Switch between Hindi and English anytime.

Patwari — Mental Ability — Number/Letter Series

20 Questions • Instant results & explanations • Hindi & English

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Question 1 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 2 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 3 of 20

Consider the following statements regarding number series: I. A series exhibiting a normal rate of decrease is typically based on subtraction. II. A series exhibiting a rapid rate of decrease is typically based on division. Which of the statements given above is/are correct?

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

When the values in a number series are decreasing at a normal rate, the underlying operation is generally:

Question 6 of 20

Identify the missing term in the given series: 2, 3, 5, 7, 11, ?, 17.

Question 7 of 20

In the series 1, 4, 9, 16, ?, 36, what is the missing term and what rule does it follow?

Question 8 of 20

Consider the following statements regarding the behavior of number series: I. If the numbers grow rapidly, the rule must strictly be a pure multiplication without any other accompanying operation. II. If the numbers grow rapidly, the rule involves multiplication (or positive power), which might also be accompanied by addition or subtraction. Which of the statements is/are correct?

Question 9 of 20

If the values in a series are decreasing very rapidly, which operation is most likely occurring?

Question 10 of 20

Match List-I (Observation in Series) with List-II (Likely Mathematical Operation) and select the correct answer: List-I a. Increase then decrease with small difference b. Rapid increase then rapid decrease c. Normal rate of increase List-II 1. Alternate Multiplication and Division 2. Alternate Addition and Subtraction 3. Addition

Question 11 of 20

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

Question 12 of 20

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

Question 13 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 14 of 20

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

Question 15 of 20

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

Question 16 of 20

Consider the following statements regarding diagram-based number puzzles: I. Numbers filled in a diagram follow a specific rule. II. The operations required to find the missing term are usually entirely different from standard arithmetic like addition, subtraction, or squares. Which of the statements given above is/are correct?

Question 17 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 18 of 20

Consider the following statements: I. Rapid increase in numbers indicates multiplication, square, or a positive power. II. Rapid decrease in numbers exclusively indicates subtraction without division. Which of the statements given above is/are incorrect?

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

According to the principles of number puzzles, what is the best method to gain proficiency in solving these questions?

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