Joint Universities Preliminary Examination Board

1. The colonial masters introduced the office of Warrant Chief in what region of Nigeria?A. Western Nigeria.B. Northern Nigeria.C. Lagos colony.D. Eastern Nigeria. 2. In a parliamentary system, the functions of the Head of State and the Head of Government are vested in _____A. an individual.B. inner cabinet.C. two different individuals.D. the ministerial council. 3. […]

1. The Average Fixed Cost (AFC) curve falls continuously with increasing output but does not touch the X-axis. This means that the AFC curve is _____A. U- shaped.B. upward sloping.C. asymptotic to the origin.D. fixed or horizontal. 2. Price ceilings lead to _____A. shortage of commodity.B. surplus of commodity.C. market clearing.D. excess supply 3. What […]

1. The alpha (α-) scattering experiment is synonymous with _____A. J. J. ThomsonB. Ernest RutherfordC. James ChadwickD. Henry Mosley 2. Isotopes of hydrogen differ from one another in _____A. atomic numberB. number of protonsC. number of electronsD. number of neutrons 3. Which of the following is the reason why CCl4 is non-polar?A. The polar bonds […]

Determine the respective values of 𝑝 𝑎𝑛𝑑 𝑞 if (𝑥 − 1) 𝑎𝑛𝑑 (𝑥 + 2) are factors of 2𝑥3 + 𝑝𝑥2 − 𝑥 + 𝑞 = 0A. −5, 6B. 6, 5C. 5, −6D. 5, 6 2. If 𝛼 𝑎𝑛𝑑 𝛽 are the roots of the quadratic equation 𝑎𝑥2 + 𝑏𝑥 + 𝑐 =0, obtain […]