Rajshahi Board – 2025
Mathematics (Multiple Choice Questions)
[According to the Syllabus of 2025]
Subject Code: 109 | Time: 30 Minutes | Full Marks: 30
[N.B. Fill in the circle corresponding to the correct answer on the supplied OMR sheet with a ballpoint pen. Each question carries 1 mark. No mark is allowed on the question paper.]
- A parallelogram inscribed in a circle is a —
(a) Rhombus (b) Rectangle (c) Square (d) Trapezium
- How many ex-circles (escribed circles) can be drawn for a triangle?
(a) 1 (b) 2 (c) 3 (d) 4
Answer questions 3 and 4 based on the following information:
| Class Interval | 21 – 30 | 31 – 40 | 41 – 50 | 51 – 60 |
| Frequency | 6 | 16 | 20 | 14 |
- What is the value of
for calculating the median?
(a) 16 (b) 20 (c) 22 (d) 42
- What is the mode of the given data?
(a) 47 (b) 45 (c) 37 (d) 35
- How many lines of symmetry does a square have?
(a) 2 (b) 4 (c) 6 (d) 8
- For a sequence with 1st term 4 and common difference 2 —
- The series =
- The 10th term =
iii. The sum of the first 15 terms =
Which one of the following is correct?
(a) i & ii (b) i & iii (c) ii & iii (d) i, ii & iii
?
(a) (b)
(c)
(d)
- Which one of the following is a discrete variable?
(a) Age (b) Height (c) Weight (d) Population
- Which one of the following is a natural number?
(a) (b)
(c)
(d)
- How many proper subsets does the set
have?
(a) 10 (b) 31 (c) 32 (d) 33
- If
—
iii.
Which one of the following is correct?
(a) i & ii (b) i & iii (c) ii & iii (d) i, ii & iii
- If
, then
?
(a) (b)
(c)
(d) 2
- What is the length (in cm) of a chord of a circle with radius 30 cm, which is at a distance of 9 cm from the center?
(a) 12 (b) 21 (c) 24 (d) 42
- If
, in which quadrant does the point obtained from the equation
lie?
(a) First (b) Second (c) Third (d) Fourth
- The ratio of two numbers is
and their L.C.M. is 24. What is their H.C.F.?
(a) 8 (b) 4 (c) 2 (d) 1
- How many independent data inputs are required to construct a specific quadrilateral?
(a) 2 (b) 3 (c) 4 (d) 5
- If the difference between the two acute angles of a right-angled triangle is
, what is the measure of the larger acute angle?
(a) (b)
(c)
(d)
- If
, what is the value of
?
(a) (b)
(c)
(d)
- If
, for which values of
will
?
(a) (b)
(c)
(d)
- In an equilateral triangle
, if
cm, what is the length of
in cm?
(a) (b)
(c)
(d)
- What is the measure of each interior angle of a regular hexagon?
(a) (b)
(c)
(d)
- What is the characteristic of the common logarithm of
?
(a) (b)
(c)
(d)
- Two circles with diameters 8 cm and 6 cm touch each other internally. What is the distance between their centers?
(a) 14 cm (b) 7 cm (c) 2 cm (d) 1 cm
- If
, then
?
(a) (b)
(c)
(d)
- Which one can be drawn if the perimeter and one angle are given?
(a) Rhombus (b) Rectangle (c) Parallelogram (d) Trapezium
and
are similar. If
, then
?
(a) (b)
(c)
(d)
- For a right circular cylinder with base radius 5 cm and height 6 cm —
- Base area =
sq cm
- Volume =
cu cm
iii. Curved surface area = sq cm
Which one of the following is correct?
(a) i & ii (b) i & iii (c) ii & iii (d) i, ii & iii
- What is the solution set of the equation
?
(a) (b)
(c)
(d)
?
(a) (b)
(c)
(d)
- While drawing a
angle in a right-angled triangle, which one of the following is correct?
(a) Base > Perpendicular (b) Base < Perpendicular (c) Base = Perpendicular (d) Perpendicular = Hypotenuse
Answer Key:
- b 2. c 3. c 4. c 5. b 6. d 7. b 8. d 9. c 10. b 11. a 12. b 13. b 14. d 15. a 16. c 17. d 18. d 19. b 20. b 21. b 22. d 23. b 24. c 25. b 26. d 27. a 28. a 29. d 30. d
Mathematics (Creative Questions)
Rajshahi Board – 2025
Subject Code: 109 | Time: 2 Hours 30 Minutes | Full Marks: 70
[Note: Answer any 7 questions taking at least 2 from Group-A (Algebra), 2 from Group-B (Geometry), 2 from Group-C (Trigonometry & Mensuration), and 1 from Group-D (Statistics).]
Group A — Algebra
and
.
(a) If , find the value of
. [2]
(b) Prove that when
. [4]
(c) Find the value of . [4]
- (i)
,
.
(ii) .
(a) Simplify: . [2]
(b) Show that . [4]
(c) Prove that are in continued proportion. [4]
is a part of a geometric series.
(a) Which term of the series is
? [2]
(b) Find the values of and
. [4]
(c) Considering the first term of the given series as the first term and the common ratio as the common difference of an arithmetic series, find the value of if the sum of its first
terms is 987. [4]
Group B — Geometry
- In
,
are the midpoints of sides
and
respectively.
(a) If the area of a circle is sq cm, find its diameter. [2]
(b) Prove that and
. [4]
(c) Prove that . [4]
is the center of the circle
, and ray
and ray
are two tangents to the circle.
(a) Prove that the diameter is the largest chord of a circle. [2]
(b) Prove that . [4]
(c) Prove that line segment is the perpendicular bisector of the chord of contact
. [4]
- The base of a triangle
cm, one base angle
, and the sum of the other two sides
cm.
(a) If one side of a rhombus is and one angle is
, draw the rhombus. [Drawing marks required] [2]
(b) Draw the triangle with drawing marks and description. [4]
(c) Draw the incircle of an equilateral triangle having side length . [Drawing marks and description required] [4]
Group C — Trigonometry & Mensuration
,
, and
.
(a) Show that . [2]
(b) If , prove that
. [4]
(c) If , find the value of
, where
is an acute angle. [4]
- (i) A tree leaned over in a storm without separating completely. The broken part makes a
angle with the ground and touches the ground at a distance of
meters from the base of the tree.
(ii) An airplane is flying at a point between two places and
. The angles of depression of
and
from the airplane are
and
respectively.
(a) If , find the value of
. [2]
(b) Find the total height/length of the tree. [4]
(c) If meters, find the height of the airplane from the ground. [4]
- (i) If the side length of an equilateral triangle is increased by 4 meters, its area increases by
sq meters.
(ii) The inner and outer diameters of an iron pipe are 14 cm and 16 cm respectively, and the height of the pipe is 4.5 meters.
(a) The total surface area of a cube is 300 sq cm. Find the length of its diagonal. [2]
(b) Find the perimeter of the equilateral triangle. [4]
(c) If 1 cu cm of iron weighs 7.2 grams, calculate the weight of the iron in the pipe. [4]
Group D — Statistics
- The frequency distribution table of marks obtained in Mathematics by 60 students of Class 10 at D.S. High School is as follows:
| Class Interval | 44 – 48 | 49 – 53 | 54 – 58 | 59 – 63 | 64 – 68 | 69 – 73 |
| Frequency | 4 | 11 | 13 | 19 | 8 | 5 |
(a) Find the midpoint of the class preceding the modal class. [2]
(b) Find the mean using the shortcut method. [4]
(c) Draw a frequency polygon for the given data with a brief description. [4]
- A frequency distribution table is given below:
| Class Interval | 31 – 40 | 41 – 50 | 51 – 60 | 61 – 70 | 71 – 80 | 81 – 90 | 91 – 100 |
| Frequency | 4 | 6 | 8 | 12 | 9 | 7 | 4 |
(a) Find the mean of the numbers 6, 9, 8, 0, 5, 2. [2]
(b) Find the median from the given table. [4]
(c) Draw an Ogive curve for the given data with a brief description. [4]