Percentage is one of the most important topics in Railway Mathematics. Questions from this chapter are regularly asked in RRB NTPC, Group D, RRB ALP, Technician, RPF, and other Railway recruitment examinations.
A strong understanding of percentage concepts helps candidates solve questions from profit and loss, simple interest, compound interest, ratio and proportion, data interpretation, and arithmetic.
Many aspirants find percentage questions difficult because they involve calculations and multiple concepts. However, percentages become simple when students understand the basic rules, percentage-fraction conversions, and calculation shortcuts. Learn the basics of Percentage for the RRB exam.
Understanding percentage concepts becomes easier when students learn through step-by-step explanations and practice questions. In this detailed session, Ravinder Sir explains the fundamentals of percentage, percentage-fraction conversions, percentage increase and decrease, comparison-based questions, and methods to find the original value from a given percentage.
The session also covers previous year Railway examination questions from RRB NTPC, Group D, ALP, Technician, and RPF exams. Students can learn important shortcuts, calculation techniques, and exam-oriented approaches that help improve speed and accuracy.
If students want detailed solutions, step-by-step explanations, and a better understanding of the concepts used in these questions, they can watch the complete video lecture.
Percentage-based questions are frequently asked in Railway exams such as RRB NTPC, Group D, ALP, Technician, RPF, and SI. Practicing a variety of percentage problems helps improve calculation speed, accuracy, and confidence in the examination.
Question 1: Number A is eight times of number B. By what percentage is number B less than number A?
(a) 87.5%
(b) 20%
(c) 80%
(d) 12.5%
Question 2: If 35% of x is 140, then find the value of x.
(a) 300
(b) 335
(c) 400
(d) 450
Question 3: A team wins 45 games, which was 60% of the total games played. How many games did the team play?
(a) 50 games
(b) 75 games
(c) 60 games
(d) 65 games
Question 4: What is 80% of 50% of 90?
(a) 36
(b) 30
(c) 34
(d) 32
Question 5: 25% of 66.67% of 60% of 80% of a number is 4617. Find 40% of that number.
(a) 23085
(b) 25085
(c) 24085
(d) 26085
Question 6: 1 min 12 sec is how much of 1 hour?
(a) 2%
(b) 12%
(c) 11%
(d) 1.2%
Question 7: 84500 people came to a trade fair on the first day. And on the fourth day this number decreased to 16900. So, what percentage of people decreased on the fourth day?
(a) 20%
(b) 80%
(c) 75%
(d) 0%
Question 8: A man's health insurance premium for last year was Rs. 1440. If he paid Rs. 1512 this year, what is the percentage increase on his health insurance premium?
(a) 5%
(b) 4%
(c) 3%
(d) 6%
Question 9: The annual income of Somnath is Rs. 24,00,000. He pays Rs. 40,000 EMI for his vehicle every month. What percentage of his monthly income is spent on EMI?
(a) 20
(b) 15
(c) 10
(d) 24
Question 10: A is eight times of number B. By what percentage is number B less than number A?
(a) 87.5%
(b) 20%
(c) 80%
(d) 12.5%
Percentage is one of the scoring topics in Railway Mathematics. Most questions are formula-based and can be solved quickly with proper practice. Candidates should focus on understanding the concept of percentage, learning important fraction equivalents, and practicing different question types regularly.
A strong command of percentage helps not only in direct percentage questions but also in profit and loss, interest, ratio and proportion, and data interpretation. Regular revision and question practice can significantly improve performance in Railway examinations.
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