- 1. Express 5 ×104 in ordinary number
A) 0.0005
B) 0.004
C) 50000
D) 05
- 3. convert 1111 to base 10
A) 7ten
B) 21ten
C) 15ten
D) 16ten
- 4. simplify 2√100-5√(25 )
A) 6
B) 5
C) 4
D) 3√5
- 5. Evaluate 3.4 – 6.6+7.3
A) 5.1
B) 5.5
C) 4.1
D) 4.5
- 6. Express 9×10-7 in ordinary number
A) 90000
B) 9000000
C) 009
D) 0.0000009
- 7. Evaluate (-9.1- 6.05) – (-51)
A) 35.85
B) 34.84
C) 19.15
D) 15.15
- 8. Express 0.00006 to standard form.
A) 6×105
B) 6×105
C) 6×106
D) 6×10-6
- 9. Use the table of logarithms to calculate (13.95×364)/4.32
A) 1275
B) 2116
C) 1186
D) 1176
- 10. Express 360000 in standard form
A) 36×10-4
B) 36×10-5
C) 36×105
D) 36×104
- 11. Find the values for which 4x-5<11
A) x<6
B) x<4
C) x<5
D) x<16/4
- 12. Find the solution set for which 3 (x+4) ≤5x.
A) x≤4
B) x≤6
C) x≥6
D) x≥5
- 13. A compound makes use of logical symbols called ________
A) connectives
B) evidence
C) logical
D) statement
- 14. A ________ statement is a statement which has only one main verb.
A) simple
B) truth
C) logic
D) compound
- 15. The ______ of any statement is the reverse of such a statement.
A) disjunction
B) negation
C) connective
D) position
- 16. Find the marked angle in the diagram below:
A) 50.8o
B) 53.7o
C) 60.3o
D) 40.7o
- 17. The longest side of the triangle is called ________
A) adjacent
B) hypotenuse
C) angle
D) opposite
- 18. A triangle has two sides as 16cm and 4cm, respectively, if the included angle is 120o, calculate the third side.
A) 18.33cm
B) 19.33cm
C) 58cm
D) 9.8cm
- 19. 19.
Find 𝑥 𝑖𝑛 𝑡ℎ𝑒 𝑑𝑖𝑎𝑔𝑟𝑎𝑚 𝑏𝑒𝑙𝑜𝑤 ,𝑙𝑒𝑎𝑣𝑒 𝑦𝑜𝑢𝑟 answer in 1 d.p.
A) 3.0 to 1 d.p
B) 5.1 to 1 d.p
C) 3.1 to 1d.p
D) 4.0 to 1 d.p
- 20. Convert 15 to binary number.
A) 1101two
B) 1011two
C) 1111two
D) 1001two
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