- 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
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
A) 2000 B) 2033•901163 C) 2033 D) 2023.90115
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
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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