Simplify \(\frac{\tan 80° - \tan 20°}{1 + \tan 80° \tan 20°}\)

• A. \(3\sqrt{2}\)
• B. \(2\sqrt{3}\)
• C. \(\sqrt{3}\)
• D. \(\sqrt{2}\)

The participation of Nigerians in the Second World War created in the nationalists the awareness that the

• A. Africans were superior
• B. Africans were more qualified to rule
• C. Europeans were not superior
• D. Europeans were less tactful in warfare

[a] Define the term output device.

[b] Give the two types of printers.

[c] [i] Construct a truth table for an AND gate with two input signals.

[ii] State the output of an OR gate with the signals 0 and 1.

[d] list two types of an logic gate that gives an output of 1 when all of its input signals are 1.

Read the extract below and answer the question:

...... Lady, you arethe cruell'st she alive

if you will lead these graces to the grave

And leave the world no copy.

(Act 1, Scene 5)

What has prompted the speech?

• A. The lady is about to kill herself
• B. The speaker is unable to woo the lady
• C. The lady will not marry Orsino
• D. The lady is unforgiving

The mass of 800cm³ of gas Q at s.t.p. is 1.0g. What is the molar mass of Q? [Avogadros constant = 22.4dm³ mol^-1`]

• A. 18.0 gmol^-1
• B. 22,4gmol^-1
• C. 28.0gmol^-1
• D. 36.0 gmol^-1

The distribution of the masses of a group of persons is shown in the following table

Draw a histogram for the distribution

AFRICAN PROSE: UNEXPECTED JOY AT DAWN

What impression do you form of Mama Orojo?

Electric current is measured by

• (a) Voltmeter
• (b) Anemometer
• (c) Galvanometer
• (d) Ammeter

The diagram below is an illustration of a mango leaf drawn by a student in a Biology test. The student failed the test. Study it and answer the question.

which features of the diagram would have earned the student more marks if shown

• A. colour and size
• B. spelling of label and length of midrib
• C. habitat and agricultural qualities of leaf
• D. title and margin

Which of the following BEST explains why the Ganges Delta accounts for the world's largest production of jute?

• A. availability of water for irrigation
• B. nearness to the equator
• C. Monsoon climate and deep rich soil
• D. large population enaged in agriculture