Number/Letter Series MCQs for Patwari
Practice 20 free number/letter series multiple choice questions for Patwari exam. Instant answers, explanations in Hindi and English, and topic-wise targeted practice.
Master Number/Letter Series under Mental Ability for Patwari 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.
Patwari — Mental Ability — Number/Letter Series
20 Questions • Instant results & explanations • Hindi & English
0 / 20
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
If a series alternately increases and decreases, but the difference between consecutive terms is small, which operations are alternating?
Question 3 of 20
When numbers in a series decrease very rapidly, the primary operation is division. What secondary operations can occur alongside it?
Question 4 of 20
A student encounters a diagram puzzle with missing numbers. Based on standard guidelines, which mathematical operations might they expect to employ?
Question 5 of 20
Which of the following operations are explicitly identified as the foundational bases for numerical series puzzles?
Question 6 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 7 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 8 of 20
Identify the missing term in the given series: 2, 3, 5, 7, 11, ?, 17.
Question 9 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 10 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 11 of 20
Match List-I (Example Series) with List-II (Underlying Logic) and choose the correct code: List-I a. 1, 4, 9, 16, 25, 36 b. 2, 3, 5, 7, 11, 13 List-II 1. Prime numbers starting from 2 2. Squares of natural numbers
Question 12 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 13 of 20
If a mathematical puzzle involves numbers placed within a specific layout, what is the mandatory prerequisite to finding the missing number?
Question 14 of 20
When the values in a number series are decreasing at a normal rate, the underlying operation is generally:
Question 15 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 16 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 17 of 20
When a series shows a rapid increase followed by a rapid decrease in an alternating manner, which mathematical operations are being performed one by one?
Question 18 of 20
A student identifies that a series uses multiplication because the numbers grow rapidly. However, the exact multiples don't match. What additional step is advised by the standard puzzle rules?
Question 19 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 20 of 20