WAEC Past Questions and Answers - Page 2373

11,861.

A box contains 12 identical balls of which 5 are red, 4 blue, and the rest are green. If two balls are selected at random one after the other with replacement, what is the probability that both are red? 

A.

\(\frac{25}{144}\)

B.

\(\frac{5}{33}\)

C.

\(\frac{5}{6}\)

D.

\(\frac{103}{132}\)

Correct answer is A

Pr(RR) = \(\frac{5}{12}\) = \(\frac{5}{12} \times \frac{5}{12} = \frac{25}{144}\)

11,862.

The Nigeria attained republican status through the 1963 constitution means that it

A.

introduce the executive presidential system of government

B.

severed the remaining links with the British monarch

C.

created a unitary state

D.

introduced a multi-party system

E.

ensured that the cabinet was no longer responsible to the legislature

Correct answer is B

No explanation has been provided for this answer.

11,863.

Which of the following political parties produced four ministers in the National Government of 1957 in Nigeria? The

A.

AG

B.

NCNC

C.

NPC

D.

NEPU

E.

UMBC

Correct answer is C

No explanation has been provided for this answer.

11,864.

A box contains 12 identical balls of which 5 are red, 4 blue, and the rest are green.  If a ball is selected at random from the box, what is the probability that it is green? 

A.

\(\frac{3}{4}\)

B.

\(\frac{1}{2}\)

C.

\(\frac{1}{3}\)

D.

\(\frac{1}{4}\)

Correct answer is D

No. of red = 5

No. of blue = 4

No. of green = 3

Total = 12

Pr(Green) = \(\frac{3}{12} = \frac{1}{4}\)

11,865.

The political parties which formed a coalition government at the center after the 1954 general elections in Nigeria were the

A.

NEPU and AG

B.

NCNC and NEPU

C.

NPC and NEPU

D.

AG and NPC

E.

NPC and NCNC

Correct answer is E

No explanation has been provided for this answer.