Past Questions And Answers
(a) Balance the nuclear equation below and hence identify Y.
\(^{238}_{94}U \to ^{234}_{92}Th + Y\)
(b) In a tabular form, state two of the observations in the cathode ray experiment and the corresponding deductions.
View Discussion (0)WAEC 1990 THEORYA student has N30.00 with which to buy a ruler costing N18.00 and an exercise book costing N25.00. If he buys the exercise book, his opportunity cost is?
- A. the ruler
- B. the exercise book
- C. N25.00
- D. 18.00
Read the extract below and answer the question
A : Let me choose,
For as I am, live upon the rack.
B : Upon the rack, Bassanio? then confess
What treason there is mingled with your love.
(Act Three Scene 11)
Speaker A had earlier been advised to
- A. pause a day or two
- B. forgo the opportunity
- C. pause a week or month
- D. exploit the opportunity
If goods purchased on account is returned, the buyer may inform the seller of the details by issuing:
- A) An invoice
- B) A debt memorandum
- C) A credit memorandum
- D) A bill
In the sentence below, there is one underlined word and one gap. From the list of words lettered A to D, choose the one that is most nearly opposite in meaning to the underlined word and that will, at the same time correctly fill the gap in the sentence.
Only question one iscompulsory; therefore, the rest are .....
- A. easy
- B. clear
- C. confusing
- D. optional
Israel went into Assyria captivity in
- A) 720 BC
- B) 730 AD
- C) 750 BC
- D) 722 BC
The systematic design, collection and analysis of data about problems relating to the marketing of goods and services is marketing
- A. insight
- B. planning
- C. research
- D. intelligence
Lenz’s law of electromagnetic induction is essentially a statement of the
- A. Inverse square law of gravitation
- B. Inverse square law of magnetism
- C. Inverse square law of electrostatics
- D. Law of conservation of energy
Factorise 27p2x2 - 48y2.
- A. 9(3px - 4y)2
- B. 3(3px - 4y)(3px - 4y)
- C. 9(px - 4y)(3p x + 4y)
- D. 3(3px -4y)(3px +4y)
From the words lettered A to D, choose the word that best completes each of the following sentences.
We wished to win the tournament but we knew our _____ were slim.
- A. skills
- B. opportunities
- C. odds
- D. chances

