Past Questions And Answers
When ammonium chloride is dissolved in water in a test tube, the tube feels colder showing that
- A. the solution is unsaturated
- B. sublimation has ocurred
- C. ammonia gas is evolved
- D. the process is endothermic
Which of the following is not an asset held for the short term?
- A) cash
- B) inventories
- C) trade receivables
- D) computers
How much is N3,000 worth in US$ if the exchange rate is US$ 1 = N120?
- a. US$ 65
- b.US$ 55
- c. US$ 45
- d. US$ 35
(a) Explain the term electrodes in electric cells.
b) An electric current passing through an electrolyte for 2 minutes deposited 200 g of a substance. If the electrochemical equivalent of the substance is 8.33 x 10\(^{-4}\)g C\(^{-1}\), calculate the current passed.
View Discussion (0)WAEC 2012 THEORYTable 2 below show the unit prices and quantities of hats produced by a firm
Study it and answer the questions that follows
| Quantity | Unit Price (S) | Total Revenue (S) | Marginal Revenue (S) | Average Revenue (S) |
| 10 | 180 | 1800 | - | 180 |
| 20 | 150 | 3000 | 120 | X |
| 30 | U | 3600 | 60 | 120 |
| 40 | 100 | V | W | Y |
| 50 | 80 | 4000 | 0 | 80 |
| 60 | 60 | 3600 | 40 | 60 |
a) Compute the values of U, V, W, X and Y
b) In what type of market is the firm operating? Explain your answer
c) If the firm's marginal cost is $60.00 at all levels of output, at what level of output will it be in equilibrium? Explain your answer
d) If a total cos of $600,00 is incurred when 50 units of hats are produced. Determine the margin of profit or loss made.
e) What is another name for marginal cost?
View Discussion (0)WAEC 2021 THEORYFasting begins with sahur and ends with
- A. Iftar
- B. Itikaf
- C. kaffarah
- D. Zakat al Filtr
An object is projected vertically upwards with a velocity of 80 m/s. Find the :
(a) Maximum height reached
(b) Time taken to return to the point of projection. [Take g = \(10 ms^{-2}\)].
View Discussion (0)WAEC 2006 THEORYFrom the words lettered A to D below each of the following sentences, choose the word that is nearest in meaning to the underlined word as it is used in the sentence.
The labour leaders described the newly-introduced economic measures asobnoxious
- A. offensive
- B. prudent
- C. inevitable
- D. unpredictable
An object is placed 20cm from a concave mirror of focal length 15cm. Calculate the linear magnification of the image formed
- A. 0.5
- B. 1.5
- C. 2.0
- D. 3.0
Jesus wept over Jerusalem because
- A. the people did not believe in Him
- B. the city did not know the things that made for peace
- C. people were buying and selling in the temple
- D. the Pharisees and the priests had misled the people