WAEC Past Questions and Answers - Page 3125

15,621.

Simplify: 11011\(_2\) - 1101\(_2\)

A.

101000\(_2\)

B.

1100\(_2\)

C.

1110\(_2\)

D.

1011\(_2\)

Correct answer is C

11011\(_2\) - 1101\(_2\) = 1110\(_2\)

15,622.

Imam Bukhari is to 870 C.E. as Imam Muslim is to

A.

892 C.E.

B.

886 C.E.

C.

875 C.E.

D.

888 C.E.

Correct answer is C

Imam Bukhari died in 870 C.E. while Imam Muslim died in 875 C.E.

15,623.

Which of the following is not a form of shirk according to the Qur'an?

A.

Atheism

B.

Monotheism

C.

Trinity

D.

Polytheism

Correct answer is B

Monotheism cannot be a form of shirk but its opposite. The religion of islam was built on the monotheistic principle.

15,624.

Evaluate (0.13)\(^3\)correct to three significant figures

A.

0.00219

B.

0.00220

C.

0.00300

D.

0.00390

Correct answer is B

(0.13)\(^3\) = 0.13 x 0.13 x 0.13 = 0.002197

= 0.00220 (3 s.f)

15,625.

The number of rak'ah in the obligatory prayers of Friday is

A.

2

B.

18

C.

17

D.

15

Correct answer is D

Since Jummah is just two rakahs, the total will be 15 instead of 17.