Past Questions And Answers
A Hadith in which the chain of narration and text are sound is known as
- A. Mashur
- B. Maqtu
- C. Mursa
- D. Sahih
Chemical reactions occurs when the colliding reactants have energy that is
- A. less than the activation energy
- B. greater than the activation energy
- C. greater than the energy of the product
- D. less than the energy of effective collision
A binary operation ? is defined on the set of real numbers R, by x?y = \(\sqrt{x+y - \frac{xy}{4}}\), where x, yER. Find the value of 4?3
- A. 16
- B. 8
- C. 4
- D. 2
The joint ventures operating in the Nigerian oil industry are between?
- A. the NNPC and independent marketers
- B. the NNPC and multinational marketers
- C. the NNPC and producer marketers
- D. multinational corperations and independent marketers
Differentiate (2x+5)2(x−4) with respect to x.
- A. 4(2x+5)(x-4)
- B. 4(2x+5)(4x-3)
- C. (2x+5)(2x-13)
- D. (2x+5)(6x-11)
A pilot records the atmospheric pressure outside its plane as 63cm of Hg while a ground observer records a reading of 75cm of Hg for the atmospheric pressure on the ground. Assuming that the density of the atmosphere is constant, calculate the height of the plane above the ground. (Relative density of Hg = 13.0 and that of air = 0.00013)
- A. 1200m
- B. 6300m
- C. 7500m
- D. 13800m
Catalytic hydrogenation of oils result in the production of
- A) soap
- B) detergents
- C) alkanes
- D) margarine
An emerging agricultural export crop in Nigeria is
- A. cassava
- B. cotton
- C. cocoa
- D. soya beans
Solve 4x\{^2}\) - 16x + 15 = 0.
- A. x = 1\(\frac{1}{2}\) or x = -2\(\frac{1}{2}\)
- B. x = 1\(\frac{1}{2}\) or x = 2\(\frac{1}{2}\)
- C. x = 1\(\frac{1}{2}\) or x = -1\(\frac{1}{2}\)
- D. x = -1\(\frac{1}{2}\) or x -2\(\frac{1}{2}\)
Find the value of k if \(\frac{k}{\sqrt{3} + \sqrt{2}}\) = k\(\sqrt{3 - 2}\)
- A. 3
- B. 2
- C. √3
- D. √2