UNILAG Mathematics 2012/2013 Past Questions

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

Calculate 3310₅ - 1442₅

A.1303₅
B.2131₅
C.4302₅
D.1103₅

Covert 3.1415926 to 5 decimal places

A.3.14160
B.3.14159
C.0.31415
D.3.14200

The length of a notebook 15cm was measured as 16.8cm. Calculate the percentage error to 2 S.F

A.12.00%
B.11.00%
C.10.71%
D.0.12%

A worker's present salary is N24,000 per annum. His annual increment is 10% of his basic salary. What would be his annual salary at the beginning of the third year.

A.N28,800
B.N29,040
C.N31,200
D.N31,944

Express the product of 0.0014 and 0.011 in standard form.

A.1.54 X 10⁴
B.1.54 X 10^-3
C.1.54 X 10^-4
D.1.54 X 10^-5

Evaluate $$\frac{81^\frac34-27^{\frac13}}{3\times2^3}$$

A.27
B.⅓
C.1
D.-1

Find the value of $$16^{{\frac32}}$$ + log₁₀ 0.0001 + log₂32

A.0.065
B.0.650
C.5.500
D.65.000

Simplify $$\frac{\sqrt{12}-\sqrt3}{\sqrt{12}+\sqrt3}$$

A.⅓
B.0
C.-1
D.1

Four members of a social first eleven Cricket team are also member of the fourteen Rugby team. How many boys play for at least one of the two teams?

A.25
B.21
C.16
D.3

If S: {x: x² = 9, x > 4 }, then S is equal to

A.0
B.{0}
C.∅
D.{∅}