Bihar DElEd Mathematics Questions and Solutions

The Bihar School Examination Board (BSEB) has officially announced the Bihar DElEd Notification 2025, and candidates who are aiming to secure admission to the 2-year Diploma in Elementary Education (D.El.Ed) program are now focusing on their preparations. To assist in this preparation process, we have compiled a set of Bihar DElEd Mathematics questions and solutions, along with detailed solutions. These questions have been carefully selected to align with the exam pattern and help candidates understand the types of questions they can expect. Practising these questions will not only help improve your knowledge but also enhance your exam-taking skills, making you more confident and efficient during the actual test.

The Mathematics section is a significant part of the Bihar DElEd exam, contributing about 20% of the total marks. Due to this mark weightage, candidates need to give proper attention to this section and ensure they are well-prepared. By focusing on the key topics covered in the Mathematics section and regularly practising different types of questions, candidates can improve their chances of performing well and securing higher marks in the exam.

Bihar DElEd Mathematics Section: Overview

The Bihar DElEd Mathematics section plays a significant role in evaluating candidates’ mathematical knowledge and problem-solving skills. This section generally includes questions that assess understanding in areas such as arithmetic, algebra, geometry, and data interpretation. A strong preparation in this subject will help candidates score well and enhance their overall performance in the exam. Here’s a detailed overview of the exam:

Bihar DElEd Mathematics Questions

To help you prepare better for the Bihar DElEd Mathematics section, we have provided 20 practice questions out of the 50 questions that are typically asked in the exam. These questions cover various important topics such as arithmetic, algebra, geometry, and more, giving you a good mix of what to expect in the actual exam.  For more thorough practice, you can access the complete set of Bihar DElEd Mathematics Questions in the PDF attached below. This full set will give you additional questions to work through, helping you gain more confidence and prepare effectively for the exam.

Q1. Evaluate: √(961) × 35 + 404 + 0.3% of 7200 + 289 = ?
(a) 1395.5
(b) 1799.6
(c) 2395.3
(d) 2595

Q2. Evaluate: ? = 3.5 × 5.5 + 1.5 × 8.25 + 125.75
(a) 142.75
(b) 157.375
(c) 162.95
(d) 168.05

Q3. The square root of which of the following is a rational number?
(a) 1250.49
(b) 6250.49
(c) 1354.24
(d) 5768.28

Q4. What is the sum of digits of the least number, which when divided by 15, 18 and 24 leaves the remainder of 8 in each case and is also divisible by 13?
(a) 17
(b) 16
(c) 15
(d)18

Q5. If the six-digit number 4x4y96 is divisible by 88, then what will be the value of (x + 2y)
(a) 13
(b) 10
(c) 12
(d)11

Q6. What is the sum of digits of the least number, which when divided by 15, 18 and 24 leaves the remainder 8 in each case and is also divisible by 13?
(a) 17
(b) 16
(c) 15
(d)18

Q7. If x2 + 1/X^2 = 20, then x3 – 1/X^3 is equal to:
(a) 120√2
(b) 63√2
(c) 90√3
(d) 150√2

Q8. If x – 1/X = 5√5, then x3 – 1/x3 is equal to:
(a) 640√5
(b) 555√5
(c) 430√5
(d) 320√5

Q9. If 3x + 1/2X = 29, then 9×2 + 1/〖4X〗^2 is equal to:
(a) 588
(b) 644
(c) 762
(d) 838

Q10. If a³ – b³ = 243 and a – b = 3, then a² + b² is equal to:
(a) 38
(b) 41
(c) 57
(d) 67

Q11. If a² – b² = 15 and a – b = 3, then a² + b² + 2ab is equal to:
(a) 9
(b) 16
(c) 25
(d) 27

Q12. If a³ – b³ = 512 and a – b = 4, then a² + b² +ab is equal to:
(a) 64
(b) 96
(c) 122
(d) 128

Q13. If tan x = cot (45° + 2x), then what is the value of x?
(a) 45°
(b) 15°
(c) (45°)/2
(d) 20°

Q14. The value of [(sin^2 24°+sin^2 66°)/(cos^2 24°+cos^2 66°)+sin^2 61°+cos61° sin29°]is equal to
(a) 2
(b) 3
(c) 1
(d) 0

Q15. The value of (sin30°-cos60°+ cot^2 45°)/(cos30°-tan45°+sin90°) is equal to
(a) (2√3)/3
(b) √3/2
(c) 3/2
(d) √3/4

Q16. If tan 3x = cot (30° + 2x), then what is the value of x?
(a) 18°
(b) 12°
(c) 10°
(d) 15°

Q17. The value of sin²30°.cos²45°+2 tan²30°–sec²60° is equal to:
(a) -13/12
(b) -77/24
(c) -25/12
(d) -1/12

Q18. If sin⁡(A+B)=√3/2 and tan⁡(A-B)=1/√3, then (2A + 3B) is equal to:
(a) 120°
(b) 135°
(c) 130°
(d) 125°

Q19. The sides of a triangle are 10 cm, 24 cm and 26 cm. At each of its vertices, circles of radius 3.5 cm are drawn. What is the area of the triangle excluding the portion covered by the sectors of the circles? (π=22/7)
(a) 81.5 cm²
(b) 100.75 cm²
(c) 75.75 cm²
(d) 78.25 cm²

Q20. One side of a rhombus is 6.5 cm and one of its diagonals is 12 cm. What is the area of the rhombus?
(a) 78 cm^2
(b) 15 cm^2
(c) 30 cm^2
(d) 60 cm^2

Bihar DElEd Mathematics Answers

Here are the answers to the 20 practice questions provided above. These solutions will help you understand the correct approach to solving each problem. For detailed explanations of the solutions and to access the complete set of Bihar DElEd Mathematics Questions and Answers, refer to the PDF attached below. This will provide you with a more comprehensive set of questions and solutions to further enhance your preparation.

S1. Ans.(b)

S2. Ans.(b)

S3. Ans.(c)

S4. Ans.(a)

S5. Ans.(a)

S6. Ans.(a)

S7. Ans.(b)

S8. Ans.(a)

S9. Ans.(d)

S10. Ans.(c)

S11. Ans.(c)

S12. Ans.(d)

S13. Ans.(b)

S14. Ans.(a)

S15. Ans.(a)

S16. Ans.(b)

S17. Ans.(b)

S18. Ans.(b)

S19. Ans.(b)

S20. Ans.(c)

Download Bihar DElEd Mathematics Questions and Answers with Solutions PDF

Here is the detailed PDF containing all 50 Bihar DElEd Mathematics Questions and Answers with comprehensive solutions. This resource is designed to help you strengthen your understanding of the Mathematics section, improve problem-solving techniques, and increase your confidence for the Bihar DElEd exam. Download the PDF below to access the complete set of practice questions and their solutions, ensuring thorough preparation for the

Download Bihar DElEd Mathematics Questions and Answers with Solutions PDF

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