WAEC Past Questions and Answers - Page 3484

17,416.

The diagram above shows the speed-time graph of a car. If the car covered a total distance of 600m in 25s, calculate its maximum speed

A.

30ms-1

B.

25ms-1

C.

20ms-1

D.

15ms-1

Correct answer is A

S = \(\frac{1}{2} (a + b)h\)

60 = \(\frac{1}{2}(15 + 25)h\)

h = \(\frac{1200}{40} = 30\)m/s

17,417.

Precautionary motive relates to

A.

Demand for money

B.

Demand for goods

C.

Supply of money

D.

Supply of goods

Correct answer is A

No explanation has been provided for this answer.

17,418.

An atom \(^{234}_{91} P\) emits a gamma radiation. The resultant nuclide is

A.

\(^{230}_{90} Th\)

B.

\(^{234}_{91} Pa\)

C.

\(^{234}_{90} Th\)

D.

\(^{234}_{89} Ac\)

Correct answer is B

No explanation has been provided for this answer.

17,419.

The most important function of merchant banks is the

A.

Issuing of currency

B.

Provision of short term loans

C.

Provision of medium and long term loans

D.

Provision of short and long term loans

Correct answer is C

No explanation has been provided for this answer.

17,420.

Fusion is not usually used for generating electric power because

A.

no energy is released when fusion takes place

B.

very high temperatures are required to initiate fusion reaction

C.

the raw materials needed is not easily available

D.

heavy nuclei are involved

Correct answer is B

No explanation has been provided for this answer.