Which of the following not true of the rusting of iron?

• A. Rusting is a reduction process
• B. The rust formed is a reddish brown
• C. Rusting is similar to burning
• D. Rusting of iron takes place in the presence of oxygen and moisture

How many years/Months/days did Murtala Muhammed spend in office and was assasinated by who?

• A. 1 year/Ibrahim Babangida
• B. 200 months/Lt. Colonel Dimka
• C. 200 years/Major-General Muhammed Buhari
• D. 200 days/Lt. Colonel Dimka

Which of the following confirms the accuracy of the duty charged on imported goods?

• A. An indent
• B. Consular invoice
• C. Consignment note
• D. Shipping note

The southern kingdom of Judah experienced a significant religious reform under the leadership of which righteous king?

• A. King Hezekiah
• B. King Ahab
• C. King Nebuchadnezzar
• D. King Jeroboam

If \(\log_{3}a - 2 = 3\log_{3}b\), express a in terms of b.

• A. \(a = b^{3} - 3\)
• B. \(a = b^{3} - 9\)
• C. \(a = 9b^{3}\)
• D. \(a = \frac{b^{3}}{9}\)

If x = (all prime factors of 44) and y = (all prime factors of 60), the elements of X ∪ Y and X ∩ Y respectively are

• A. (2, 4, 3, 5, 11) and (4)
• B. (4, 3, 5, 11) and (3, 4)
• C. (2, 5, 11) and (2)
• D. (2, 3, 5, 11) and (2)

How many units of good X is produced for 8 units of commodity Y?

• A. 80
• B. 40
• C. 20
• D. O

What is the primary source of revenue for the local government in Nigeria?

• A. taxes
• B. grants from foreign countries
• C. oil revenue
• D. Federal government allocations

Given that \(a = i - 3j\) and \(b = -2i + 5j\) and \(c = 3i - j\), calculate \(|a - b + c|\).

• A. \(\sqrt{13}\)
• B. \(3\sqrt{13}\)
• C. \(6\sqrt{13}\)
• D. \(9\sqrt{13}\)

Nguru and Kaura Namoda settlements in Northern Nigeria are most notable for?

• A. high production centres for groundnuts
• B. terminal points for railway transportation
• C. towns with the worst problems of water scarcity
• D. quarrying settlements