UNIBEN General Paper 2015/2016 Past Questions

If $$Sin\theta = \frac35$$, find tanθ for 0° < θ <90°

A rectangle lawn of length (x = 5) metres id (x -2) metres wide,If the diagonal is (x = 6) metres, Find the positive value of x

The value of the expression 2Ax - Kx² is 7 when x = 1 and 4 when x = 2. Find the values of the constant A and K.

If t varies inversely as the cube of s and t = 24, when s = 3, find t when s = 2

A hollow sphere has a volume of kcm². Calculate the diameter of the sphere

Simplify log₂$$(\frac{27}4)$$ - log₂$$(\frac98)$$ + log₂$$(\frac1{24})$$

If 5^{2x + 1} + 5^2x = 150

If y = x² - $$\frac1x$$, find $$\frac{dy}{dx}$$

At what value of x is the function x² + x + 1 minimum

Evaluate ∫³₂(x² - 2x) dx

when a velocity-time graph is a curve it means that we have ..........

a ball of mass 1kg falls from a height of m and rebounds to a height of 2m after striking a horizontal surface. calculate the loss in energy due to impact (take=10ms^-2)

a projectile attains a maximum rage of 40m when g=10ms^-2. calculate the velocity of projection

a ball of mass 10kg strikes a wall normally with a velocity 5ms^-1 and travels back with velocity.
calculate its impulse on the wall

calculate the velocity of the wave represented by the following wave represented by the following wave equation y= 20sin(60πx-0.5πx) if all the distance are in meters

the following are stringed instruments except ...........

if two 2µF capacitors are connected in paralleled with each other and the other combination is then connected in series with 4µF capacitor the net capacitance will be .......

The limiting fraction force on a body of mass 4kg resting on an inclined plane is 20N. what is the angle of inclination on the planet?

effervescence occurs when water comes in contact with ............

Given a body underground circular motion with angular velocity, ω rad/s, and radius rm. Suppose the body has mass, mkg. then it will experience a centripetal force F of the form

What is the efficiency of a cell with internal resistance of 3&Ohm;, when is supplies current of 7Ω resistor?

which of the following compounds is not obtained by polymerization?

A specimen of zinc contained zinc oxide 0.80g of this specimen reacted type equation here with acid to give 215cm³ of hydrogen collected dry at 17c and 770mmHg. Calculate the percentage of zinc oxide in the mixture. {32.5g = zn, 1g =H}

A measure of the degree of disorderliness in a chemical system is known as

Cr₂O7² + 6Fe²⁺ → 2Cr³⁺ + 6FE⁺ + 7H₂O

which of the following metals will dissolve in aqueous sodium hydroxide?

the components present in the alloy used for welding and plumbing are

15cm³ of gaseous hydrogen required for the complete combustion of 75 cm³ of oxygen and yielded 45cm³ of carbon(iv)oxide. Calculate the hydrocarbon

which of the following reagents can be used to differentiate alkanals from alkanones?

the products of photochlorination of ethanoic acid are ..........

what are the products of the reaction between ethyl ethanoate and ammonia ...........

which of the following quantities has the same unit as the product of pressure and volume of a gas?

charring of sugar occurs when water comes in contact with ........