How many grams of water at 17^oC must be added to 42g of ice at 0^oC to melt the ice completely? [specific latent heat of fusion of ice = 3.4 x 10⁵Jkg^-1, specific heat capacity of water = 4200Jkg^-1k^-1]

• A. 200g
• B. 300g
• C. 320g
• D. 400g

A large firm may experience diseconomies of scale if there is

• A. difficulty in coordinating decisions
• B. division of labor in production
• C. employment of more specialist
• D. decrease in the cost of production

Which of the following is not part of the main uses of the journal

• A) purchase and sale of fixed assets on credit
• B) the correction of errors
• C) writing off bad debts
• D) none of the above

Ranging poles used in farm surveying have characteristic

• A. green and white bands
• B. blue and white bands
• C. red and white bands
• D. black and red bands

The most acceptable means of payment in foreign transaction is

• A. personal cheques
• B. central bank cheques
• C. irrevocable letters of credit
• D. bankdrafts

The greatest advantage of road transport over other modes is that the former is?

• A. cheaper
• B. more flexible
• C. less risk?
• D. faster

'''...but should write to them to abstain from the pollution's of idols and from unchastity and from what is strangled and from blood....'''

The statement above was made at the Council of Jerusalem by

• A. Philip
• B. Simon
• C. James
• D. Peter

Which of the following statements about a radioactive substance is/are correct? l. lt emits radiation continuously and spontaneously. ll. The emitted radiations are affected by temperature and pressure III. The radiation can penetrate opaque matter

• A. ll only
• B. l and ll only
• C. l and lll only
• D. ll and lll only

Find the value of a in the equation: cos (a + 14)° = sin (4a + 6)°

(a) Simplify : \((2a + b)^{2} - (b - 2a)^{2}\)

(b) Given that \(S = K\sqrt{m^{2} + n^{2}}\); (i) make m the subject of the relations ; (ii) if S = 12.2, K = 0.02 and n = 1.1, find, correct to the nearest whole number, the positive value of m.