PES SS 1 Mathematics (Obj) 3rd Term Exam 2025/2026
  • 1. Convert 12ten to base six
A) 20six
B) None
C) 200six
D) 2000six
  • 2. Convert 128ten to base eight
A) 20eight
B) 002eight
C) 2000eight
D) 200eight
  • 3. Convert 29ten to a number in base two
A) 11111two
B) 10111two
C) 11101two
D) 01111two
  • 4. Find the value of 1111 x 1001 in base two
A) 10000111two
B) 10000011two
C) 11111111two
D) 11110001two
  • 5. Approximate 8.9012 to 3s.f
A) 8.901
B) 8.0
C) 8.9012
D) 8.90
  • 6. Round off 456.78 to 1d.p
A) 456.7
B) 400
C) 450
D) 456.8
  • 7. Change 16 to a number in base four
A) 1000four
B) 100four
C) 10four
D) 10000four
  • 8. Factorize x² + 5x + 6=0
A) x= 3 or 2
B) None
C) x=3 or -2
D) x= -3 or -2
  • 9. Solve k² + 7k + 10=0
A) k=-2 or -5
B) k=-2 or 5
C) k=2 or 5
D) k=2 or -5
  • 10. The study of triangles in relation to their sides and angles is
A) Tangent
B) Trigonometry
C) Hypotenuse
D) None
  • 11. If r²=3.3² + 5.6², find r
A) 6.5
B) 6.7
C) 6
D) 6.2
  • 12. The Volume of the curved surface area of a cone is
A) πrl²
B) πrl²
C) πrl
D) πr²h
  • 13. An arc subtends an angle of 105⁰ at the center of a circle of radius 6cm. Find the length of the arc if π is 22/7
A) 1.1cm
B) 11.5cm
C) 0.11cm
D) 11cm
  • 14. Which of the following is the volume of a cuboid
A) lbh
B) 6l²
C) lbh²
D) l³
  • 15. Which of the following is a closed statement
A) What is your name
B) None of the above
C) x is an even number
D) 3 is an odd number
  • 16. Which is the following is an open statement
A) Chemistry is a science subject
B) 3 is an odd number
C) The niger is a famous European river
D) Follow me
  • 17. If z²=12² + 5², find z
A) 11
B) 12
C) 13.1
D) 13
  • 18. What is the formula of the surface area of a cone
A) πrl + πr²
B) πrh+ πr²
C) πr² + πrh
D) πrl + πr²
  • 19. At a point 20m from the base of a water tank the angle of elevation from the top of a tank is 45⁰. What is the height of the tank
A) 20m
B) 25m
C) 10m
D) 15m
  • 20. Solve the question
    x + 2y=5
    x + 3y=8
A) y=3, x=-1
B) y=3, x=1
C) y=-3, x=1
D) y=-3, x=-1
  • 21. Solve (12.67)³
A) 2000
B) 2033•901163
C) 2033
D) 2023.90115
  • 22. 17 mod 5
A) 2 mod 6
B) 2 mod 5
C) 2 mod 7
D) 2 mod 8
  • 23. Convert 101.101two to base ten
A) 5.605ten
B) 5.625ten
C) 56.25ten
D) 0.5625ten
  • 24. Convert 15ten to a number in base two
A) 1011two
B) 1110two
C) 1101two
D) 1111two
  • 25. If 1 packet of sugar costs x naira what will be the cost of 20 packets
A) 20naira
B) None of the above
C) 20xnaira
D) 20x²naira
  • 26. 3(5x - 2)=11x, find x
A) 1/2
B) 5/2
C) 2/3
D) 3/2
  • 27. Evaluate 34.83 × 5.427
A) 188
B) 188.9
C) 189
D) 189.1
  • 28. A car petrol is 0.8m long,25cm wide and 20cm deep. How many litres of petrol can it hold?
A) 40litres
B) 40000litres
C) 4000litres
D) 400litres
  • 29. Calculate the volume of a cone of base diameter 14cm and height 5cm. Take π to be 22/7
A) 266cm³
B) 200cm³
C) 250cm³
D) 256.67cm³
  • 30. What angle does an arc 6.6cm in length subtend at the centre of a circle of radius 14cm?
A) 27⁰
B) 23⁰
C) 28⁰
D) 25⁰
  • 31. A sector of 80⁰ plus removed from a circle of radius 12cm. What area of the circle is left? Use π=22/7
A) 360cm²
B) 352cm²
C) 342cm²
D) 372cm²
  • 32. If the Volume of a rectangular based pyramid is 70cm³ and it's base area is 28cm², calculate the height of the pyramid.
A) 7.2cm
B) 7.9cm
C) 7cm
D) 7.5cm
  • 33. If C varies directly as n and C=5 when n=20, find the formula connecting c and n
A) C=1/2n
B) C=1/4n
C) C=4n
D) C=1/8n
  • 34. "Chemistry is an easy subject" can be categorized under what kind of statement
A) Closed
B) Neither
C) Open
  • 35. From the diagram above, list the elements of
    A U B
A) (2,3,5,7,8,9)
B) (2,3,4,6,7,8,10)
C) (2,3,4,5,6,7,8,9)
D) None of the above
  • 36. A collection of well defined objects is known as
A) Null set
B) Venn Diagram
C) Empty set
D) Sets
  • 37. The sets of all objects under discussion is known as
A) Infinite Set
B) None of the above
C) Universal set
D) Subset
  • 38. Solve 4- 4x=9 -12x
A) 8/5
B) 3/8
C) 15/8
D) 5/8
  • 39. The sign ' is referred to as
A) Complement
B) Union
C) Intersection
D) None of the above
  • 40. Factorize x² + 8x - 20
A) (x + 10)(x + 2)
B) (x - 10)(x - 2)
C) None of the above
D) (x + 10)(x - 2)
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