Past Questions And Answers
The Commonwealth Secretariat is located in _________
- A. Los Angeles
- B. Kuala-Lumpur
- C. London
- D. Glasgow
Why are enzymes necessary for most cellular reactions?
- A. Enzymes increase the temperature of the reaction.
- B. Enzymes supply the water necessary for biochemical reactions.
- C. They help reactions occur at a rate compatible with that necessary for sustenance of life.
- D. Enzymes make it so reactions that are nonspontaneous occur spontaneously.
(a) Solve the inequality : \(\frac{2}{5}(x - 2) - \frac{1}{6}(x + 5) \leq 0\).
(b) Given that P = \(\frac{x^{2} - y^{2}}{x^{2} + xy}\),
(i) express P in its simplest form ; (ii) find the value of P if x = -4 and y = -6.
View Discussion (0)WAEC 2008 THEORYOn November 1, 1998, Zaria Holdings owed N13,600 in respect of a creditor. On November 15, it purchases goods worth N69,000 and paid a cheque of N51,600. On November 29, one of the Holdings' cheques worth N3,000 was returned while the creditor granted a N1,500 discount. The amount owed by Zaria Holdings as at November 29 is?
- A. N32,500
- B. N32,000
- C. N31,000
- D. N29,500
Choose the option nearest in meaning to the underlined word(s). Nobody knew the source of thealtercation between the couple?
- A. alter ego
- B. quarrel
- C. deep love
- D. wealth
The weights to the nearest kilogram, of a group of 50 students in a College of Technology are given below:
65, 70, 60, 46, 51, 55, 59, 63, 68, 53, 47, 53, 72, 53, 67, 62, 64, 70, 57, 56, 73, 56, 48, 51, 58, 63, 65, 62, 49, 64, 53, 59, 63, 50, 48, 72, 67, 56, 61, 64, 66, 52, 49, 62, 71, 58, 53, 69, 63, 59.
(a) Prepare a grouped fraquency table with class intervals 45 - 49, 50 - 54, 55 - 59 etc.
(b) Using an assumed mean of 62 or otherwise, calculate the mean and standard deviation of the grouped data, correct to one decimal place.
View Discussion (0)WAEC 1990 THEORYA cheque could be dishonoured as a result of?
- A. same amount in words and figure
- B. insufficient fund
- C. general crossing
- D. regular signature
Find an expression for y given that \(\frac{\mathrm d y}{\mathrm d x} = x^{2}\sqrt{x}\)
- A. \(\frac{1x^{\frac{2}{7}}}{7} + c\)
- B. \(\frac{2x^{\frac{3}{2}}}{7} + c\)
- C. \(\frac{2x^{\frac{7}{2}}}{7} + c\)
- D. \(\frac{1x^{\frac{7}{2}}}{7} + c\)
Given that P = x2 + 4x - 2, Q = 2x - 1 and Q - p = 2, find x
- A. -2
- B. -1
- C. 1
- D. 2
Describe the performance of Salat eid-l-Fitr.
View Discussion (0)WAEC 2012 THEORY
