Past Questions And Answers
The main function of price in the economic system is to?
- A. allocate scarce resources among competing uses
- B. ensure equitable distribution of income and wealth
- C. determine the demand for and the supply of goods and services
- D. remove all the constraints on production of goods and services
Calculate and correct to two significant figures, the percentage error in approximating 0.375 to 0.4
- A. 2.0
- B. 2.5
- C. 6.6
- D. 6.7
Which functional group is present in alkanals?
- A. Carbonyl group (C=O)
- B. Hydroxyl group (-OH)
- C. Alkyl group (-R)
- D. Carboxyl group (-COOH)
The velocity ratio of an inclined plane, inclines at an angle \(\theta\) to the horizontal can be expressed as
- A. (sin \(\theta)^{-1}\)
- B. \(\sin \theta\)
- C. (cos \(\theta)^{-1}\)
- D. \(\cos \theta\)
(a) (i) Name any three commodities of world trade.
(ii) Identify three sea routes in the world.
(b) Explain any four conditions that promote trade among countries.
(c) Outline any three reasons for the low volume of trade among African countries.
View Discussion (0)WAEC 2010 THEORYThe Prophet was survived by only one child. This was___
- A. Ruqayah
- B. Ibrahim
- C. Fatimoh
- D. Zainab
Which of the following compounds is an example of an electrovalent bond?
- A. NaCl (sodium chloride)
- B. CO2 (carbon dioxide)
- C. H2O (water)
- D. CH4 (methane)
A piece of stone attached to one end of a string is whirled round in a horizontal circle and the string suddenly cuts. The stone will fly off in a direction
- A. perpendicular to the circular path
- B. parallel to the circular path
- C. tangential to the circular path
- D. towards the center of the circle
Use the information below to answer question
An asset was purchase for N343m in 2003.
The estimated life of the asset was 3 years with a residual value of N28m.
What was the asset value at the beginning of the third year?
- A. N63m
- B. N133m
- C. N36m
- D. N28m
The metal extracted from cassiterite is
- A. calcium
- B. copper
- C. tin
- D. sodium

