UNIZIK Mathematics 2012/2013 Day 1 Past Questions

Practice each question, then open it to see the full details.

If x² + 4 = 0, then x =

A.4
B.-4
C.2
D.-2
E.none of the above.

A pyramid is constructed on a cuboid. The figure has

A.Twelve faces
B.Thirteen vertices
C.Fourteen edges
D.Fifteen edges
E.Sixteen edges.

(3.2)² - (1.8)² equals

A.7.0
B.2.56
C.13.48
D.2.0
E.0.07

The annual profits of a transport business were divided between the two partners A and B in the ratio 3:5. If B received $3000 more than A, the total profit was

A.$5000
B.$1800
C.$12000
D.$24000
E.$8000

Which of the following is not a factor of 12⁴ - 5⁴?

A.7
B.13
C.17
D.49
E.169

The media of the set of numbers 4, 9, 4, 13, 7, 14, 10, 17 is

A.13
B.7
C.19/2
D.10
E.39/4

Simplify 10²+ log₁₀5

A.500
B.21og₁₀5
C.10
D.log₁₀7
E.none of the above.

A micrometer is defined as one millionth of a millimeter, A length of 12,000 micrometers may be represented as

A.0.00012m
B.0.0000012m
C.0.000012m
D.0.00000012m
E.0.0000000012m

The positive root of t in the following equation, 4t² + 7t - 1 = 0, correct to 4 places of decimal is

A.1.0622
B.10.6225
C.0.1328
D.0.3201
E.2.0132

In a regular polygon of n sides, each interior angle is 144°. Find n

A.12
B.11
C.10
D.8
E.6