UNIBEN General Paper 2012/2013 Past Questions

Find the value of a if the line 2y- ax + 4 = 0 is perpendicular to the line y + 1/4 - 7 = 0

find the tangent of the acute, angle between the lines 2x+y=3 and 3x-2y=5

Find the value of P if the line joining (P,4) and(6,-2) is perpendicular to the line joining (2,P) and (-1,3)

Find the equation of a line perpendicular to the line 3x+2y+4=0 and passing through the points (5,6)

Two perpendicular lines PQ and QR intercept at (1,-1). If the equation of PQ is x-2y+4=0, find the equation of QR

Differentiate (2x+5)² (x-4) with respect to x

Find the slope of the curve y = 2x² + 5x - 3 at (1, 4)

Find the probability that a number selected random from 20 to 30 is a prime number or a multiple of 3

Three numbers a. b and c are in the ratio 3:2:5. The value of [INSERT EQUATION] is

If 45% of the Nigeria naira (N) is equal to 35% of a foreign currency $, the conversion rate of $ to N is $1= ?

P is directly proportional to M and inversely proportional to N. If P=9 when M=24 and N=8, find the value of P when M=5 and N=6

For what range of values of y is y -1 >4(y+2)?

The exterior angles of a quadrilateral are give as x, 2x+5, x+15 and 3x-10. The value of x is

If 4 sin²θ - 3 = 0 the value of 0 for θ, for 0° < θ < 90° is

If U = {integers ≤ 20}, X= multiples of 4}, Y= {multiples of 3}, the elements of X' n Y are

A mango fruit drops from a branch 10m above the ground. Just before hitting the ground its velocity is? (g= 10m/s²)

What volume of substance 'y' with a density of 8.4 x 10^2 kgm^-3 will have the same mass as 4.2m^-3 of substance 'x' whose density is 7.2 x 10^2 kgm^-3 ?

A pressure cooker saves both time and fuel in cooking because inside the cooker the ........

Which of the following phenomenon CANNOT be explained by the molecular theory of matter

A light wave of frequency 5x10¹⁴ Hz moves through water which has a refractive index of 4/3. Calculate the wave length in water if the velocity of light in air is 3 x 10⁸m/s.

An isolated conducting sphere whose radius is 6.85cm has a charge 1.250C. How much potential energy is stored in the electric field of the charged conductor?

Choose the correct statement(s)

A common flash-light bulb is rated 0.30 A and 2.9 V. If the resistance of the tungsten bulb filament at temperature 20°C is 1.1Ω, find the temperature of the filament when the bulb is on

Thermal energy is produced in a resistor at a rate of 100W when the current is 3.00A. Find the resistance

A straight horizontal length of copper wire has a current of 28 A through it. Find the magnitude of the minimum magnetic field needed to suspend the wire. The linear density of the wire is 46.6g/m

A series RLC circuit has independence 12mH, capacitance 6&miu; F and resistance 1.5Ω. Find the time when the amplitude of the charge oscillating will be 50% of initial value

Which of the following pairs illustrate isotopy?

A gas occupying an initial volume of 2dm³ is heated and allowed to expand to 6dm³ at constant pressure. The ration of the initial absolute temperature to the final absolute temperature is

Why are collisions between gas molecules said to be elastic?

Which of the following reactions is accompanied by the second ionization energy of an element?

How many heat will be liberated if 10 g of hydrogen burns in excess oxygen according to the following thermochemical equation?

Which of the changes determines the spontaneity of a chemical reaction?

Which of the following statements is NOT correct of group (VII) elements? They

Calculate the minimum volume oxygen required for the complete combustion of a mixture of 20cm³ of CO and 20cm³ of H₂

Calculate the quantity of electricity required to deposit 64.0 g of copper from copper (II) chloride (Cu=64, 1F = 96500C)

Which of the reactions of marble with dilute HCl is fastest?

How many political parties were registered for the last general election in Nigeria?

When was the IC Judgement between Nigeria and Cameroon delivered

Which state in Nigeria has the highest number of Local, government Area?