Number System Important Questions For IBPS RRB PO 2025 Exam

Number System For IBPS RRB PO 2025 Exam: The Institute of Banking Personnel Selection conducts the RRB PO 2025 exam every year to recruit Probationary Officers. The IBPS RRB PO selection process consists of three phases including Prelims, Mains and Interview. Number System is one of the basic topics in the Quantitative Aptitude section of the IBPS RRB PO Exam. It is essential to master this topic as it helps in solving many other questions. Here we are providing a detailed concept of the Number System preparation along with the most important question and detailed answer.

What is a Number System

A number system is a systematic way of representing and working with numbers using specific symbols and rules. It provides a structure for expressing numerical values ​​and performing arithmetic operations such as addition, subtraction, multiplication, and division.

The basic symbols used in the system. For example, the decimal system uses digits 0–9.

Important Questions For Number System

Question 1: The sum of the squares of two natural numbers is 468. If 50% of the greater number is equal to the 75% of the smaller number then find the HCF of the two numbers.

A) 6

B) 8

C) 12

D) 4

E) 5

Question 2: If a number is increased by x% and then by 25%, the resultant number is 945 which is 135 less than the double of the original number, find the value of ‘x’.

A) 20

B) 30

C) 40

D) 50

E) 55

Question 3: There are two number ‘a’ and ‘b’ such that a < b. If ‘a’ is 40% of sum of both the numbers and difference between ‘a’ and ‘b’ is 480, then find the value of ‘a’.

A) 1440

B) 960

C) 1240

D) 800

E) None of these

Question 4: When a number is increased by 40% then the number obtained is 48 less than twice the original number. Find the original number.

A) 60

B) 65

C) 70

D) 75

E) 80

Important Questions PDF Link For Number System

Preparation Tips For Number System

Understand the Basics: Focus on the basic concepts and properties of numbers. After clearing the basics, analyze all the difficult and easy types of questions and solve the important questions to be able to solve all types of questions of the number system.

Practice regularly: Solve different types of questions to increase confidence and speed, take free mock tests and topic tests to revise daily and boost your preparation.

Use shortcuts: Candidates can use shortcuts and learn Vedic math techniques for faster calculations to solve all the questions quickly and easily.

Mock Tests: Take sectional and full-length mock tests to improve accuracy and time management.

Revise Formulas: Keep a handy list of formulas and revise them frequently.

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