BPSC Prelims Maths and Reasoning Most Important Questions 2025

The BPSC Prelims Maths and Reasoning Most Important Questions 2025 play a crucial role in the BPSC Prelims exam. The Bihar Public Service Commission has scheduled the BPSC Prelims exam for September 13, 2025. With not much time left for the exam, aspirants must focus on practising the most important questions to strengthen their foundation and improve problem-solving speed.
This article includes a carefully curated selection of the most important Maths and Reasoning questions that are likely to appear in the 2025 exam. By going through these questions, aspirants will be able to get a good overview of the exam. These questions cover a wide range of essential concepts that will help you score high in the exam. Various topics included in these questions include Time and Distance, Ratio, Calendar, Sequence, etc. Read on to know more details about BPSC Prelims Maths and Reasoning important questions 2025.

BPSC Prelims Maths and Reasoning Most Important Questions 2025

The questions in the BPSC Prelims Maths and Reasoning will be in an MCQ form. The topics included in these questions will include Time and Date Calculations, Number Series and Sequences, Algebra and Simple Equations, Coding-Decoding, Time and Work, Geometry, etc. The questions mentioned below are some of the important questions for the BPSC Prelims for the Maths and Reasoning subjects:

Q1. If May 10, 1977, fell on a Monday, what day of the week was October 10, 2001?
Correct answer - Friday

Q2. Walking 5/6th of his usual speed, Zeeshan reached his office 10 minutes late. Find his usual time taken to reach the office?
Correct answer - 50 minutes

Q3. What greatest digit should come in place of ‘?’ in the 9-digit number 55194?325, for which the number is divisible by 3?
Correct answer - 7

Q4. Complete this sequence -  YZAB, WXCD, UVEF, STGH….
Correct answer - QRIZ

Q5. To prepare 1kg of sweet A, a mixture of 4 kg of sweetener and 2 kg binder is required, while for 1 kg of sweet B, the recipe requires 6kg of sweetener and 4 kg of binder. Given that 260 kg of sweetener and 160kg of binder were utilized, how many kilos of total sweetener were produced?
Correct answer - 50kg

Q6. Find the missing term in the series - 165, 195, 255, ?, 345, 435
Correct answer - 285

Q7. If ‘x’ denotes ‘%’, ‘+’ denotes ‘-’, ‘-’ denotes ‘+’, and ‘%’ denotes ‘x’, then: 133 - 20 % 24 into 2 + 14 = ?
Correct answer - 359

Q8. If in a certain number code, SLIGHT is coded as 35, SPLENDID is coded as 24, then how is the word BEAUTIFUL coded:
Correct answer - 63

Q9. What should come in place of the question mark (?) in 132, 156, ? 210, 240, 272?
Correct answer - 182

Q10. By selling 45 lemons for INR 40, a man loses 20%. How many should he sell for INR 24 to gain 20% in the transaction?
Correct answer - 18

Q11. A train 110m long is travelling at a speed of 58 kmph. The time it will take a passerby to walk at 4 kmph in the same direction is:
Correct answer - 1/3 seconds

Q12. A train travels 120 km in 3 hours. What is its average speed?
Correct answer: 40 km/h

Q13. The perimeter of a rectangle is 50 cm, and its length is 15 cm. What is its width?
Correct answer: 10 cm

Q14. In a certain code, "LIFE" is written as "MGJF." How is "TIME" written in the same code?
Correct answer: UJNF

Q15. Find the odd one out: 2, 6, 12, 20, 30, 42
Correct answer: 30 (Difference is increasing by 2 each time)

Q16. If the ratio of the areas of two squares is 9:16, what is the ratio of their perimeters?
Correct answer: 3:4

Q17. The average of five consecutive numbers is 20. What is the largest number?
Correct answer: 22

Q18. A train travels 120 km in 3 hours. What is its average speed?
Correct answer: 40 km/h

Q19. If 4 cats can catch 4 mice in 4 minutes, how many cats are needed to catch 100 mice in 100 minutes?
Correct answer: 4 cats

Q20. If the ratio of the areas of two squares is 9:16, what is the ratio of their perimeters?
Answer: 3:4

Q21. If 3x + 4 = 19, what is the value of x?
Correct answer: 5

Q22. Which number will replace the question mark: 7, 13, 25, 49, ?
Correct answer: 97

Q23. The area of a circle is 154 cm2. What is the radius of the circle?
Correct answer: 7 cm

Q24. If 4 cats can catch 4 mice in 4 minutes, how many cats are needed to catch 100 mice in 100 minutes?
Correct answer: 4 cats

Q25. If a number is divided by 5, the remainder is 3. What is the remainder when the number is divided by 10?
Correct answer: 8

Q26. If all the vowels in the word "ELEPHANT" are removed, what remains?
Correct answer: LPHNT

Q27. If a clock shows the time as 3:15, what is the angle between the hour and minute hands?
Correct answer: 7.5 degrees

Q28. The ratio of the ages of two persons is 5:7. If the sum of their ages is 72 years, what is the age of the younger person?
Correct answer: 30 years

Q29. The sum of two consecutive integers is 85. What is the larger integer?
Correct answer: 43

Q30. A man bought a chair for Rs. 2400 and sold it at a profit of 20%. What is the selling price?
Correct answer: Rs. 2880

Q31. Find the odd one out: 14, 28, 56, 112, 224, 448, 900
Correct answer: 900

Q32. If the day after tomorrow is two days before Monday, what is today?
Correct answer: Friday

Q33. A person invests Rs. 5000 in a scheme that offers 12% simple interest per annum. How much interest will he receive in 3 years?
Correct answer: Rs. 1800

Q34. If a car travels 100 km in 2 hours, what is the speed of the car in meters per second?
Correct answer: 13.89 m/s

Q35. If the day after tomorrow is two days before Monday, what is today?
Correct answer: Friday

With BPSC Prelims getting closer, mastering the Mathematics and Reasoning sections is crucial for success. This article includes a variety of questions and concepts such as time and distance, percentage calculations, coding-decoding, sequences, algebra, and basic geometry, etc. With a strategic approach to practice these important questions, you will be able to hone your problem-solving speed and accuracy, which is essential to perform well in the exam. Consistent practice and a clear understanding of these concepts are key to boosting your confidence and achieving a high score in the BPSC Prelims 2025.
If you have further queries regarding the BPSC exam, you can write to hello@collegedekho.com or call our toll-free number 18005729877, or simply fill out our Common Application Form on the website.
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