Past Questions And Answers
A catalyst increases the rate of chemical reaction by
- A. decreasing the temperature of the reaction
- B. decreasing the activation energy of the reaction
- C. increasing the surface area of the reactants
- D. decreasing the surface area of the products
A factory increased its annual production of radios from 40,000 to 50,000. Calculate the percentage increase in production.
- a. 25%
- b. 10%
- c. 15%
- d. 20%
(a)
In the diagram, TU is tangent to the circle. < RVU = 100° and < URS = 36°. Calculate the value of angle STU.
(b) In triangle XYZ, |XY| = 5 cm, |YZ| = 8 cm and |XZ| = 6 cm. P is a point on the side XY such that |XP| = 2 cm and the line through P, parallel to YZ meets XZ at Q. Calculate |QZ|.
View Discussion (0)WAEC 2012 THEORYA tapeworm absorbs food from its host through the
- A. mouth
- B. scolex
- C. hook
- D. body surface
The appearance of Moses and Elijah during the Transfiguration was to
- A. congratulate Jesus on the success of his ministry
- B. confirm their legal and prophetic roles
- C. assure Jesus of victory over his enemies
- D. settle down with Jesus in glory
Rakiya and Joy are in partnership and agreed that 5% interest per annul is to be charged on drawings. The drawing made by both partners in one year were: Rakiya, N200 on March 31 and N300 on September 30. Joy, N100 on April 1 and N240 on July 1. Assuming that Rakiya was not credited with any income during the period, what is her closing current account balance?
- A. N340,000 credit
- B. N349,75 debit
- C. N500.00 credit
- D. N 511.25 debit
What was the primary reason for the military takeover by the Abacha regime?
- A. To implement economic reforms
- B. To promote religious freedom
- C. To restore democracy
- D. To fight corruption
A metal rod of density 7000 kgm-3 and cross-sectional area of 0.001257m2 has a mass of 1.76kg. Calculate its length.
- A. 0.20m
- B. 0.25m
- C. 0.40m
- D. 0.50m
A great circle route is used to
- A. avoid long flights over deserts
- B. save time and fuel
- C. avoid flying near the north pole
- D. avoiding over long distance barriers
This question is based on Ernest Hemingway's The Old Man the Sea.
The novel is set in the
- A. white peaks of the Canary Islands
- B. fishing coast of Havana
- C. fishing coast of Cienfuegos
- D. fishing village of Casablanca


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