After each of the following sentences, a list of possible interpretations of the sentence is given. Choose the interpretation that you consider most appropriate for each sentence.

Femi spends precious time building castles in the air. This means that Femi

• A. wants to build castles
• B. thinks of impracticable things
• C. is a designer of castles
• D. has made a lot of money

The temperature gradient across a copper rod of thickness 0.02m, maintained at two temperature junctions of 20º and 80ºC respectively is?

• A. 3.0 x 10²km^-1
• B. 3.0 x 10³km^-1
• C. 5.0 x 10³km^-1
• D. 3.0 x 10⁴km^-1

Which of the following statements is not true about secondary storage media? They

• A. are volatile
• B. are non-volatile
• C. are relatively cheap
• D. have storage capacity

Given the sets A = [2, 4, 6, 8] and B = [2, 3, 5, 9]. If a number is selected at random from set B, what is the probability that the number is prime?

• A. 1
• B. \(\frac{3}{4}\)
• C. \(\frac{1}{2}\)
• D. \(\frac{1}{4}\)

The difference between total current assets and total current liabilities of a business is known as

• A. quick ratio
• B. liquidity ratio
• C. working capital
• D. circulating capital

When the sum of money appears on the credit side of the cash book, but not on the debit side of the bank statement, the sum is regarded as

• A. uncredited cheques
• B. dishonoured cheques
• C. direct remittance to the bank
• D. unpresented cheques

One of the usefulness of import tariff on imported goods is the

• A. encouragement of importation
• B. multiplication of foreign goods
• C. protection of infant industries
• D. saving of money

An example of a viral disease of farm animals is

• A. coccidiosis
• B. mastitis
• C. foot rot
• D. newcastle disease

Which of the following best describes a natural habitat in ecology?

• A. An area where organisms naturally live and interact with their surroundings
• B. A human-created environment for wildlife conservation
• C. A controlled laboratory setting for ecological experiments
• D. A protected area for endangered species

What is the escape velocity of a body on the surface of the earth of radius R if the gravitational constant is G and the mass of the earth is M? (Neglect energy losses to the surroundings)

• A. 2GR
• B. 2G/R
• C. 2GR²
• D. 2GM/R